Best Amazon Big Spring Sale book deals 2026: Save on best-sellers, including 'Project Hail Mary'

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Amazon sales are a great excuse to upgrade your tech. From Prime Day to Black Friday, these discount days see everything from robot vacuums to TVs slashed in price. But it's not just big ticket items that see major savings — for bookworms, it's a wonderful opportunity to add some inspiration to your home library. And with Amazon’s Big Spring Sale running through March 31, now is a good time to score physical and digital book deals.

Whether you're looking for something completely fresh or there's a new bestseller you've had your eye on, these are some of the best book deals we've spotted on Amazon.

Best overall book deal

Why we like it

Released in October 2025, Theo of Golden by Allen Levi is a New York Times bestseller. The novel follows Theo as he purchases pencil portraits from a local coffeehouse and returns them to their rightful owners.

Best non-fiction book deal

Why we like it

Despite only being released this month, this book by Nelson Dellis is already discounted at Amazon. The book helps you build practical cognitive skills, from memorising names and improving focus to faster learning and creative problem-solving. Drawing on his experience as a six-time USA Memory Champion, Dellis breaks down techniques that make sharper thinking accessible, offering methods to strengthen memory, boost concentration, and develop more effective ways of processing and using information.

More non-fiction book deals

• The Let Them Theory: A Life-Changing Tool That Millions of People Can't Stop Talking About by Mel Robbins — $15.68 $29.99 (save $14.31)

• You with the Sad Eyes: A Memoir by Christina Applegate — $22.38 $32 (save $9.62)

• A Walk in the Park: The True Story of a Spectacular Misadventure in the Grand Canyon by Kevin Fedarko — $17.60 $22 (save $4.40)

Best fiction book deal

Why we like it

This is a great opportunity to grab this book at a lower price now that the movie has hit theaters. Reminders of Him follows Kenna Rowan, a young mother returning home after five years in prison, desperate to reconnect with her four-year-old daughter.

More fiction book deals

• Beach Read by Emily Henry — $8.53 $16 (save $7.47)

• Gliff by Ali Smith — $14.32 $28 (save $13.68)

• It's Not Her by Mary Kubica — $20.58 $30 (save $9.42)

• A Far-Flung Life by M.L. Stedman — $21 $30 (save $9)

• Project Hail Mary by Andy Weir — $13.98 $22 (save $8.02)

Kindle book deals

• Fragile by Lisa Unger — $1.99

• It's a Date (Again) by Jeneva Rose — $2.49

• King Sorrow by Joe Hill — $1.99