What If? 10th Anniversary Edition: Serious Scientific Answers to Absurd Hypothetical Questions―An Annotated and Illustrated 10th Anniversary Edition of a Masterpiece of Accessible Scientific Inquiry

Atlas Obscura, 2nd Edition: An Explorer's Guide to the World's Hidden Wonders

A Century of Baby Boomer Crossword Puzzles Book: Brain-Boosting, Large Print Puzzles for Seniors from the 40s, 50s, 60s, 70s, 80s, & 90s to Today to Enhance Cognition (Classic Gifts)

2026 This Day in Science Boxed Calendar: 365 Groundbreaking Discoveries, Inspiring People, and Incredible Facts (Daily Calendar, Office Desk Gift for Him or Her)

The Book of Incredible Information: Big Book of Fascinating Facts & Stories | Hardcover Gift for Trivia Buffs, Curious Minds, Adults, Dad & Knowledge Seekers

The Ultimate Crapper Companion: Explosive Trivia, Bathroom Games and Other Cool Stuff To Keep You Entertained While You Poop (Gag Gifts for Men)

The Book of Strange but True Science: Big Book of Amazing Discoveries, Weird Experiments & Mind-Blowing Facts | Hardcover Gift for Trivia Buffs, Curious Minds, Adults, Dad & Knowledge Seekers

The World War 2 Trivia Book: Interesting Stories and Random Facts from the Second World War (Trivia War Books)

The Ultimate New York Yankees Trivia Book: A Collection of Amazing Trivia Quizzes and Fun Facts for Die-Hard Yankees Fans!

The Ultimate Pittsburgh Steelers Trivia Book: A Collection of Amazing Trivia Quizzes and Fun Facts for Die-Hard Steelers Fans!