What a KDP book description can't include

Everything below is quoted from Amazon's own help pages, with the page and the date it was read.

Source: "Write a Book Description", https://kdp.amazon.com/en_US/help/topic/G201189630, read 2026-10-11.

Not accepted in the description: pornographic, obscene or offensive content; phone numbers, mail addresses, email addresses or website URLs; reviews, quotes or testimonials; requests for customer reviews; advertisements or promotional material; time-sensitive information; availability, price or alternative ordering information; spoilers; Unicode emojis; keywords or book tag phrases.

"Note that we have a limit of 4000 characters for the description."
"As you write your description, the text editor will count all characters used, including any HTML tags."
"<h1>, <h2>, and <h3> are not supported."

# What a KDP book description can't include Everything below is quoted from Amazon's own help pages, with the page and the date it was read. Source: "Write a Book Description", https://kdp.amazon.com/en_US/help/topic/G201189630, read 2026-10-11. Not accepted in the description: pornographic, obscene or offensive content; phone numbers, mail addresses, email addresses or website URLs; reviews, quotes or testimonials; requests for customer reviews; advertisements or promotional material; time-sensitive information; availability, price or alternative ordering information; spoilers; Unicode emojis; keywords or book tag phrases. > "Note that we have a limit of 4000 characters for the description." > "As you write your description, the text editor will count all characters used, including any HTML tags." > "<h1>, <h2>, and <h3> are not supported."