An index is the part of a nonfiction book that readers value most after they have bought it. It lets them find a name, a concept or a fact in seconds. A good index is a work of analysis: an indexer reads the book, chooses the terms that readers will look for, groups related ideas and arranges the references so that they can be scanned. A good index also needs formatting. It is set in small type, in two or three columns, with a hierarchy of main entries and subentries, with page numbers or ranges and with cross references. Book index formatting is the design of that page.
Book index formatting that makes every reference easy to find
Book index formatting is the craft of setting an index so readers can scan it quickly: entries in alphabetical order, sub-entries indented clearly, page references aligned and the whole thing laid out in tidy columns. Our book index formatting services take your index, or the index from an indexer you hire, and set it in your print interior with a linked equivalent in the ebook. Choose a word count to see your price today.
Most index formatting projects are ready in about four working days.
- Two-column index layout for print
- Linked index entries in the ebook
- Works with your own or a hired indexer's index
Key facts
- $129Starting price for the book index, before extras
- 2 roundsOf revisions included in every book index order
- 2 to 3 daysFastest standard delivery for a short book index
What a book index actually involves
The conventions are firm. Entries are alphabetised, letter by letter or word by word. Subentries are indented, in run-in or indented style. Page ranges use en dashes. Cross references read see or see also, in italics. Letter headings, A, B, C, may break the columns. The type is smaller than the body text, often one or two points less, with tight leading. Widows and orphans are controlled, and a continued line, such as 'Churchill, Winston (continued)', is added at column breaks. Mistakes in an index, such as wrong page numbers, are hard to spot and harmful, so the page numbers must be generated after the final layout.
Our service formats an index for print, and for ebooks with links. If you already have an index from an indexer, we set it. If you need an indexer, we can recommend professionals or arrange one, and our formatter works with them so that the index is generated from tags in the layout and updates when the text moves. We handle the style, the columns, the continued lines and the final proof. The price is fixed, and the calculator shows it with your book index.
We start every book index formatting job with an audit. We open your file or manuscript, list what is already right, what is wrong and what needs a decision from you, and send that back before any work begins for the book index. The audit is why there are no surprises: you know the scope, the price and the schedule, and you know which of index entries and subentries and cross-references is likely to need the most care.
Authors who ask how to format a book index are usually dealing with the same three problems: entries that run into each other, sub-entries that are not indented and page numbers that drift after the last edit. Good index page formatting two columns wide keeps lines short and easy to scan, with hanging indents so each main entry stands out.
Why a book index matters
Book index formatting shapes the reading experience
Readers of nonfiction use the index to find facts, so accuracy and clarity matter more than length. Readers rarely name the cause, but they feel the difference between careful and careless book index formatting work.
The details carry the quality
Page numbers must match the final layout, so the index is built last. Each detail in book index formatting has a tolerance, and a professional knows where it lies and how to check it.
Doing it once, properly, saves time
In ebooks, index entries should link to the right location, since page numbers change with font size. Getting book index formatting right at the start also keeps later edits, reprints and new editions inexpensive.
Layout rules for a readable index
Book index layout for print follows well-tested conventions. The index is set in two or three columns in a smaller size than the body text, with hanging indents so that long entries wrap neatly, sub-entries indented one level, and each letter group introduced by a quiet heading.
Subject index formatting for books also governs punctuation, such as commas after entries, en dashes in page ranges, and the use of see and see also cross-references in italics. Book index design and typography make the difference between an index that is merely correct and one that is a pleasure to use, so we choose a size and leading that keep dense lines clear and avoid awkward breaks between columns.
If the index is created in InDesign, the entries are tagged to the text and page references update when the pages move. For books where the text is final, we can format an index supplied as a document, check every reference against the pages and, in the ebook, convert the references to links so readers can jump straight to the passage.
- Columns, hanging indents and sub-entries set to convention
- Page references checked against the final pagination
- Linked entries in the ebook so the index works on screen
The first decision in any book index
Print index formatting
Page-numbered, two-column index. It suits print books. We choose this route when the book leans on index entries and subentries, and we show a sample before the whole book index formatting job proceeds. On this book index job, we show a sample of each route where it helps, so you can choose from evidence rather than from a description.
Ebook index formatting
Linked entries instead of page numbers. It suits EPUB editions. We choose this route when cross-references are central to how the book is used, and we explain the cost and schedule consequences before you commit.
The book index specification we build to
These are the decisions we make on every book index job, and the reason for each one.
See the price of your book index in a minute
Choose a word count to see what book index formatting costs for your own book, with delivery time and extras, before you commit to anything.
Build my priceHow a book index project runs
Send
You send the files and tell us what you need from the book index formatting job, including where you plan to publish and any deadline. With your book index, we confirm the scope and the price. You are never left guessing what comes next, because we confirm each stage of the book index formatting job in writing.
Audit
We examine the file, list what is correct and what must change, and send a short note with any decisions we need from you for the book index. For a book index, if something unexpected turns up at this stage, we tell you at once and agree the fix before continuing.
Plan
We agree the specification, including how we will treat index entries and subentries and cross-references, and confirm the schedule. This stage is where most questions arise, so we leave time for them in the schedule for the book index.
Build
We carry out the work, applying defined styles and settings, and fixing faults at their source rather than covering them with your book index. You are never left guessing what comes next, because we confirm each stage of the book index formatting job in writing.
Check
For a book index, we validate, preview and review the result against the specification, and compare the text with your manuscript. For a book index, if something unexpected turns up at this stage, we tell you at once and agree the fix before continuing.
Deliver
You receive the files, the specification and the change log, with support if a platform queries the file on this book index project. This stage is where most questions arise, so we leave time for them in the schedule for the book index.
An index before and after formatting
The same index as supplied and then set in the book. The entries are the same, but the second layout is compact, clear and linked.
- 1One wide column with entries running across the page
- 2Sub-entries that look the same as main entries
- 3Page numbers that no longer match the book
- 1Two tidy columns with hanging indents
- 2Sub-entries clearly indented with consistent punctuation
- 3References verified and linked in the ebook
- 3problems found in the first review
- 3fixes checked in the final review
- 1named specialist owning every fix
- Fixedprice confirmed in the calculator before you order
Faster look-ups
Readers find their entry in seconds.
A shorter index
Columns use space well and save pages.
Working links
Ebook readers jump straight to the right place.
Build your book index price
An index only works if it is laid out clearly and its page numbers are exact. Describe your book and see a fixed price for setting an index you have supplied or marked, in print and as ebook links.
Beyond our online limit? Let us quote it properly.
A book above 150,000 words or with more than 150 images has an index that is priced individually. Send the details and a specialist replies with a fixed price and delivery date.
The price covers setting and proofing an index you supply or mark. Index compilation by a professional indexer, printing and ISBN fees are not included.
Book Index Formatting cost at a glance
The table below shows book index formatting cost by book length, with the base price, delivery window and the kind of book that fits. The calculator adds extras to your book index for an exact total.
Book Index Formatting compared with the alternatives
The standard we hold every book index to
Fix causes, not symptoms
Our book index formatting work corrects the underlying structure, so the same problem does not return when the text changes. It is a standard we hold on every book index formatting job, whatever the price of the package or the length of the book.
Evidence over assurance
On this book index job, we supply the validation or preflight report with your files, so a clean result is something you can see. For a book index, you can check it for yourself, because the evidence comes with your files. Holding to it costs us time, and it saves you the cost of repairs later in this book index order.
Plain communication
We explain what we found and what we did in plain language, and we tell you honestly when something is outside what the file can support for the book index. Holding to it costs us time, and it saves you the cost of repairs later in this book index order.
The pre-delivery checklist for a book index
Every item below is verified on your book index before it leaves our desk.
- Audit completed and agreed with you
- Index entries and subentries checked and corrected
- Cross-references checked and corrected
- Page ranges checked and corrected
- Two-column layout checked and corrected
- Validation or preflight run with the report supplied
- Previewer and device checks completed
- Text compared with the approved manuscript
- Specification and change log delivered
How we think about your book index
Structure first
In book index formatting, index entries and subentries and cross-references are built into the file, not painted on top. With your book index, we treat structure as the foundation and appearance as the finish, because structure is what survives edits and platform changes.
Checked, not hoped
A file is not finished because it looks right on our screen on this book index project. It is finished when the validator, the preflight and real devices agree, and when we can show you the evidence in this book index order. It is the principle behind most of what we do on book index formatting, and the reason we prefer to explain our choices rather than hide them.
Your files stay yours
We deliver source files and a specification, and we never lock your book index formatting work inside a proprietary format. With your book index, if you hire someone else later, they can pick up where we stopped. It is the principle behind most of what we do on book index formatting, and the reason we prefer to explain our choices rather than hide them.
What authors say about our index formatting
Verified reviews from authors whose reference books were praised for careful, accurate indexes.
Every genre convention was applied correctly. The chapter openers, the dedication page, and the acknowledgements all flowed naturally. Readers have complimented how comfortable the book feels to read.
My world-building sections, map pages, and chapter epigraphs were all handled with genuine understanding of the genre. The interior feels as immersive as the story itself. My readers noticed immediately.
My psychological thriller had unreliable narrator chapters that needed specific typographic signals to the reader. Every formatting choice reinforced the story. My beta readers said the book felt cinematic.
My business book had 14 chapters, 38 tables, and 22 figures. Everything was formatted cleanly and consistently. The specialist flagged two source document errors I had not noticed. Thorough and professional.
The interior layout of my self-help book supports how readers actually use the content. The journaling prompts, key insight boxes, and chapter summaries all flow naturally. Beautifully structured throughout.
Clean formatting with a professional result. The chapter timeline structure I used was a bit unusual but the formatter handled it well. One revision round to adjust some photo sizing and it was done perfectly.
Getting the layout right for a picture book is genuinely difficult. The page proportions, text placement, and illustration spaces were all handled with real skill. My publisher was impressed by the result.
Every recipe page has the right visual hierarchy — ingredients clearly separated from method, clear serving sizes, and consistent styling throughout. My readers can use the book comfortably in the kitchen.
The devotional layout needed daily readings, scripture references, and reflection prompts to work together without feeling cluttered. The specialist understood the format immediately and the result serves the purpose perfectly.
Good formatting work overall. The chapter headers felt slightly generic at first but after one revision round they had exactly the right tone for my YA readership. File passed KDP without any issues.
My romance novel needed a warm, readable layout with consistent chapter styling. The specialist understood exactly what I was after and the finished file exceeded my expectations on every page.
The atmospheric chapter openings matched the tone of my books without being overdone. The specialist clearly understood what dark fantasy readers expect from a professionally formatted interior.
My thriller needed a fast, clean layout with short chapters that kept the pacing tight on the page. The formatting reinforced the reading rhythm I had built into the manuscript. Exactly right.
Good quality work. The interior looked professional and the file passed KDP without issues. One revision round was needed for some heading spacing but it was fixed quickly and without any fuss.
My coaching workbook had exercises, worksheets, and reflection prompts alongside regular chapters. Every element was formatted to serve both digital completion and print. The result looks professional and functional.
My memoir needed a warm, readable layout with consistent chapter styling. The specialist understood exactly what I was after and the finished file exceeded my expectations on every page.
The citation formatting, chapter opening pages, and bibliography were all handled precisely. For a scholarly publication, these details matter enormously. The finished book looks authoritative and professional.
Good formatting work on my early reader book. The large font and generous spacing were applied correctly. One illustration needed repositioning in revisions but it was fixed quickly. Happy with the result.
Book Index Formatting: questions answered
These are the questions authors ask most about book index formatting, including layout, tools and cost. If your question about the book index is missing, request a quote and a specialist will reply.
How do I format a book index?
Use columns, small type, indented subentries, en-dash ranges and italic cross references. For book index formatting, we check the result against the platform's own rules before you see it.
What is a book index layout for print?
Two or three columns of small type with a clear hierarchy. We keep a record of what we changed so that you can review the work on this book index project.
Do you offer an indexing and formatting service for nonfiction?
Yes, and we coordinate with an indexer. For your book index, the calculator on this page shows the fixed price for each package before you commit.
How do I do index page formatting in two columns?
Set a two-column frame and style entries and subentries. If you are unsure, send the file and we will tell you what the job involves with your book index.
Can you hire an indexer and formatter together?
Yes. We coordinate both. Revision rounds are included, so the first delivery does not have to be perfect for the book index.
What is book index design and typography?
It is the choice of type, size and layout for the index. For book index formatting, we check the result against the platform's own rules before you see it.
Do you do an index for self-published nonfiction?
Yes. We keep a record of what we changed so that you can review the work on this book index project.
Do you do InDesign book index formatting?
Yes. For your book index, the calculator on this page shows the fixed price for each package before you commit.
What is subject index formatting for books?
It is setting an index of topics. If you are unsure, send the file and we will tell you what the job involves with your book index.
Do you offer book index formatting services?
Yes. Revision rounds are included, so the first delivery does not have to be perfect for the book index.
What is book index formatting cost?
The calculator on this page shows a fixed price for each package in this book index order. For book index formatting, we check the result against the platform's own rules before you see it.
Do you offer an ebook index?
Yes, with links. We keep a record of what we changed so that you can review the work on this book index project.
Do you write indexes?
We format indexes. We can recommend professional indexers who write them. For your book index, the calculator on this page shows the fixed price for each package before you commit.
When should the index be made?
After the final layout, because page numbers must match. If you are unsure, send the file and we will tell you what the job involves with your book index.
Do ebooks need page numbers in the index?
No. Entries link to the right place in the text. Revision rounds are included, so the first delivery does not have to be perfect for the book index.
How much does book index formatting cost?
Book index formatting cost starts at $129 for a short book and rises to $449 for the longest length priced online. The calculator adds your editions and extras, so the price you see for book index formatting services is the exact total.
How long does index formatting take?
Index formatting usually takes between three and six working days, because it follows final pagination. Priority and Express options shorten the schedule for your book index, and the calculator shows an estimate before you pay.
How to format a book index so it stays readable?
Set the entries in two columns, use a hanging indent, indent sub-entries one level and keep the type a point or two smaller than the body. Check the page numbers again after the final proof, because they shift whenever a page break moves.
Ready to start your book index?
An index turns your book into a tool readers can trust. See the price of your book index formatting in a minute, or send a larger project and we will quote it.
- Fixed price shown before you pay
- Revision rounds included
- One named specialist, brief to upload
