Definitions & Industry Terms

What is KDP Select?

By the WriteLoom editorial teamUpdated 2026-06-03
Key facts
  • KDP Select is an opt-in Amazon ebook program.
  • It requires ebook exclusivity to Amazon (90-day enrollment terms).
  • In return, the book joins Kindle Unlimited and earns from page reads.
  • It unlocks promo tools like Kindle Countdown Deals and free days.
  • Exclusivity means forgoing all other ebook retailers.
Direct answer

KDP Select is an optional Amazon program for self-published ebooks. Enrolling makes your ebook exclusive to Amazon for the enrollment term (90 days, auto-renewing unless changed) and, in exchange, includes it in Kindle Unlimited — where you earn from pages read — and unlocks promotional tools like Kindle Countdown Deals and free promotion days. The trade-off is exclusivity: an enrolled ebook cannot be sold on Apple, Kobo, or any other store.

Chapter i·Why it matters

KDP Select sits at the center of the "wide vs exclusive" decision every indie author faces. Its Kindle Unlimited page-read income and promo tools can meaningfully boost Amazon earnings, but the required exclusivity forecloses every other retailer and deepens reliance on one platform. Understanding exactly what enrolling grants and costs is essential to choosing distribution deliberately rather than defaulting into or out of the program.

Chapter ii·What to include

  • Opt-in enrollment with ebook exclusivity.
  • 90-day, auto-renewing terms.
  • Kindle Unlimited inclusion and page-read income.
  • Promo tools: Countdown Deals and free days.
  • The cost: no other ebook retailers.
  • Its role in the wide-vs-exclusive decision.

Chapter iii·Example

An author enrolls her ebook in KDP Select to earn Kindle Unlimited page reads and run a Countdown Deal during launch, accepting that the book cannot appear on Apple or Kobo while enrolled. After two 90-day terms she reassesses whether the KU income justifies staying exclusive or whether going wide would serve her better.

In WriteLoom

WriteLoom tracks each title's enrollment and channels, so a KDP Select decision stays deliberate and easy to revisit.

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