LT Publishing resources
Resources for Authors
Practical guidance for authors working through book production decisions: formatting, KDP file problems, print-ready PDFs, paper choice, trim size, and the design judgments that make a book feel properly made.
Production and formatting
Practical guides from LT Publishing
These are working guides drawn from the same production questions authors bring to LT Publishing when a book needs to be prepared, corrected, or made to feel more fully published.
KDP and file troubleshooting
KDP File Problems and Formatting Fixes
A practical guide to the paperback and hardcover problems that cause rejected uploads, awkward previews, and avoidable production delays.
Read the guide →KDP troubleshooting
Why KDP Rejected Your Paperback or Hardcover Files
The most common reasons KDP says no, from trim-size mismatches to bleed, margins, cover calculations, and print-ready PDF problems.
Read the article →Formatting fundamentals
Trim Size, Bleed, and Margins for KDP
What those terms actually mean, when they matter, and how they affect a paperback or hardback interior.
Read the article →Production workflow
How to Prepare a Print-Ready PDF for KDP
What a submission-ready interior file should look like before you upload it, and where authors most often go wrong.
Read the article →Common production errors
Common KDP Formatting Mistakes That Cause Delays or Rejections
The recurring errors that turn a finished manuscript into a problem file: spacing, margins, section starts, image handling, and more.
Read the article →Publishing decisions
Do You Need a Book Formatter?
When professional formatting makes a real difference, and when a book can probably be handled cleanly without outside help.
Read the article →Interior design
Why Some Book Interiors Feel Published—and Others Just Look Typed
What separates a finished interior from a manuscript dropped into a trim size: proportion, rhythm, restraint, and design judgment.
Read the article →Paper choice
Cream vs White Paper
How paper color changes the reading experience, and why the right choice depends on genre, tone, and the physical feel of the book.
Read the article →Trim and readability
Why Trim Size Changes the Way a Book Reads
Trim size is not just a manufacturing choice. It affects line length, pacing, perceived seriousness, and how a book sits in the hand.
Read the article →Hardback production
What Makes a Hardback Feel Well Made
Beyond the dust jacket: paper, pacing, spine width, hierarchy, margins, endpapers, and the cumulative signals of care.
Read the article →