Why Self-Published Books Get Rejected (And How to Avoid It)
You've finished your book. You're ready to self-publish. Then the rejection email arrives: "Your file does not meet our publishing guidelines." Or worse, your book disappears from search results after a few days because it violated a retailer's terms.
Self-publishing rejection isn't rare. Amazon KDP, Apple Books, Google Play, Kobo, and other retailers have strict requirements—and they don't always explain why a book was rejected. The good news: most rejections are preventable. They fall into predictable categories: file format errors, metadata problems, copyright violations, or content policy breaches.
This post walks you through the most common rejection triggers and exactly how to fix them before you submit. Whether you're self-publishing a novel, nonfiction book, or memoir, these checks will save you weeks of back-and-forth with retailer support.
The Most Common Reasons Self-Published Books Get Rejected
1. File Format Issues
Retailers are picky about file formats. Amazon KDP accepts MOBI, EPUB, and PDF, but a corrupted EPUB file or one with unsupported fonts will fail validation. Apple Books is even stricter—it rejects EPUBs with certain image formats or broken internal links.
What goes wrong:
- Images embedded at too high a resolution (slows down e-readers)
- Unsupported fonts that don't embed properly
- Broken table of contents or internal hyperlinks
- Metadata XML errors in EPUB files
- PDF files with copy-protection enabled (retailers can't process them)
How to fix it: Export your book in multiple formats and validate them before uploading. Tools like BookBud.ai automatically generate retailer-compliant EPUB, PDF, and DOCX files, so you skip the technical validation step. If you're exporting manually, use free EPUB validators like EPUBCheck to catch structural errors before submission.
2. Metadata and ISBN Problems
Your book's metadata—title, author name, description, keywords, ISBN—is just as important as the file itself. Inconsistent metadata across retailers causes rejections and makes your book harder to find.
What goes wrong:
- ISBN mismatches (same ISBN used for multiple formats or books)
- Author name spelled differently on KDP vs. Apple Books
- Book description exceeds character limits
- Keywords contain banned terms or are misleading
- Category miscategorization (e.g., labeling fiction as nonfiction)
How to fix it: Create a metadata spreadsheet before you upload anywhere. Include title, subtitle, author name (legal name + pen name), ISBN, category, keywords, and description. Use this single source of truth across all retailers. If you don't have an ISBN, some retailers (like Amazon KDP) offer free ISBNs—but note that Amazon's free ISBN ties your book exclusively to Amazon, limiting distribution.
3. Copyright and Rights Issues
Retailers scan submissions for plagiarism, copyright infringement, and rights violations. If your book contains copyrighted material without permission, or if it appears to be a plagiarized work, rejection is automatic.
What goes wrong:
- Using copyrighted images, quotes, or text without attribution or permission
- Book content matches another published book too closely
- Cover art sourced from copyrighted material
- AI-generated content that mirrors existing published works
How to fix it: If your nonfiction book includes quotes or excerpts, get written permission from the copyright holder or use material in the public domain. For AI-generated content, review it carefully for accidental plagiarism—AI models sometimes reproduce training data verbatim. Use plagiarism checkers like Copyscape or Turnitin before publishing. For cover art, use licensed stock images or hire a designer who retains commercial rights.
4. Content Policy Violations
Retailers have content policies that go beyond legality. Amazon, Apple, and others prohibit certain content types: explicit sexual content (varies by retailer), hate speech, content that exploits minors, and self-help books that make unsubstantiated medical or financial claims.
What goes wrong:
- Explicit sexual content flagged as "adult" without proper age-gating
- Health or financial advice presented as guaranteed results
- Content that violates a retailer's community standards
- Books that appear to be scams or misleading offers
How to fix it: Read each retailer's content guidelines carefully. If your book contains adult content, flag it appropriately during upload. If it's nonfiction advice, use disclaimers: "This is not medical advice" or "Past performance does not guarantee future results." Be honest about what your book does and doesn't deliver.
5. Cover Design Problems
Your cover is the first thing retailers and readers see. Poorly designed or non-compliant covers get flagged or rejected.
What goes wrong:
- Cover dimensions don't match retailer specs (Amazon wants 1.6:1 ratio for paperback, 1:1 for ebook)
- Text too small to read at thumbnail size
- Cover uses trademarked logos or celebrity images
- Low resolution or blurry images
How to fix it: Use a cover template that matches your retailer's specs. If you're using BookBud.ai, the platform generates covers at the correct dimensions for all major retailers. Test your cover at thumbnail size (how it appears in search results) before uploading—if you can't read the title, redesign it.
The Self-Publishing Checklist Before You Upload
Use this checklist to catch rejection triggers before submitting:
- File validation: Run your EPUB through EPUBCheck; check PDF for copy-protection; ensure all fonts embed
- Metadata consistency: Author name, title, and ISBN identical across all planned retailers
- Copyright clearance: All images, quotes, and text are original or properly licensed/attributed
- Plagiarism check: Run your manuscript through Copyscape or Turnitin
- Content policy review: Read each retailer's guidelines; add disclaimers where needed
- Cover specs: Correct dimensions, readable at thumbnail size, no trademarked content
- Table of contents: Functional hyperlinks; all chapters listed
- Proofreading: No obvious typos or formatting errors in opening chapters (retailers spot-check)
- Description length: Amazon allows ~4,000 characters; Apple Books ~4,000; keep descriptions under limits
- Keywords: Relevant to your book's content; avoid misleading or banned terms
What to Do If Your Book Gets Rejected Anyway
If a retailer rejects your book, don't panic. Most rejections include a reason—read it carefully. Common fixes:
- "File does not meet guidelines": Revalidate your EPUB, check for unsupported elements, re-export
- "Metadata error": Double-check ISBN, title, and author name for typos or mismatches
- "Content policy violation": Review the specific policy mentioned; add disclaimers or revise content
- "Copyright issue": Remove or license the flagged content; resubmit
Most retailers allow resubmission after fixes. Wait 24–48 hours before resubmitting to avoid duplicate-submission flags.
Why Distribution Matters: All-or-Nothing Thinking
One critical point about self-publishing: most distribution platforms are all-or-nothing. If you use a service like BookBud.ai to distribute your book, it goes to Amazon, Apple Books, Google Play, Kobo, and other retailers simultaneously. You can't cherry-pick which retailers get your book—and you can't remove it from one retailer while keeping it on another without pulling it from the entire distribution network.
This matters if you're enrolled in Amazon KDP Select (which requires exclusivity). If you want to use KDP Select, you must remove your book from all other retailers first in your own KDP account, then re-enroll. Plan your distribution strategy before you publish.
Self-Publishing Without the Rejection Headache
The best way to avoid self-publishing rejection is to use a platform that handles compliance for you. When you self-publish a book through a tool like BookBud.ai, the export files are pre-validated for EPUB, PDF, and DOCX formats. You get metadata templates, cover dimensions are correct, and the platform guides you through content policy requirements. It removes the technical guesswork.
That said, you're still responsible for copyright clearance, originality, and content accuracy. No platform can catch every potential issue—but they can eliminate the most common formatting and metadata mistakes that trigger rejections.
The bottom line: self-publishing a book successfully means checking your work twice, validating your files, and understanding each retailer's requirements before you hit submit. Do that, and your book will clear review and reach readers instead of bouncing back with a rejection email.