Read the submission guidelines with care. :) Here's the link for any writers who are considering entering. https://kindlescout.amazon.com/submit
Submit Your Book
Submit your book to Kindle Scout and be considered for a publishing contract with Kindle Press in 45 days or less. We welcome submissions for English-language books in Romance, Mystery & Thriller and Science Fiction & Fantasy genres. Any adult with a valid U.S. bank account and a U.S. social security number or tax identification number is eligible. Checkout the Kindle Scout Eligibility & Content Guidelines.