Challenge:
A nonfiction guide faced EPUB ingestion errors and poor mobile previews. Charts lacked alt text, and callouts had low contrast, leading to reader frustration and high support tickets.
Estorytellers applied Kindle book publishing guidelines and Amazon book publishing requirements to improve accessibility:
Added descriptive alt text for all charts and images.
Increased contrast for callouts and headings.
Validated EPUB compliance for fixed-layout and reflowable formats.
Tested mobile previews to ensure readability without zooming.
EPUB ingestion errors dropped to zero.
Mobile previews became fully readable.
Support tickets decreased from 12% of buyers to 2%.
Compliance with accessibility standards improved reader experience and KDP approval reliability.
Conclusion:
Ensuring accessibility through alt text, contrast, and EPUB validation reduces errors, improves usability, and meets Amazon book publishing requirements.
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