The Best Hardcover and Paperback Books on Sale for 50% Off Today on Amazon (UPDATED October 7)

October 6th and 7th are Prime Big Deal Days on Amazon, and there are a ton of books — including ebooks and print books — on sale today. Here are some of the most exciting deals happening now, ranging from 40-66% off.

While these are deals for Amazon Prime members, most of these books are on sale for non-members, too: it just might be the difference between 60% off versus 50% off. Many of these deals are limited, so grab them before they’re gone!

Don’t forget to check out our Daily Deals page for the best ebook deals of the day.

This list has been updated on October 7th: expired deals have been deleted, and new deals have been added.

The Best Prime Big Deal Days Sales on Books

$7.50 The Silent Patient by Alex Michaelides Get This Deal

$9.50 The Reformatory by Tananarive Due Get This Deal

$8.99 The Deal by Elle Kennedy Get This Deal

$10.25 If It Makes You Happy by Julie Olivia Get This Deal

$98.99 The Complete Calvin and Hobbes by Bill Watterson Get This Deal

$45.99 How to Train Your Dragon: The Complete Series by Cressida Cowell Get This Deal

$39.99 The Lord of the Rings Illustrated by J. R. R. Tolkien Get This Deal

$37.50 Sailor Moon Manga Box Set Vol. 1-6 by Naoko Takeuchi Get This Deal

$7.50 Pachinko by Min Jin Lee Get This Deal

$7.99 The Night Circus by Erin Morgenstern Get This Deal