NATIONAL BESTSELLER • A witty, charming, and engaging dive into trivia’s colorful history, from America’s highest-earning game show contestant of all time

A fresh approach to science for young brainiacs, this book on climate and weather includes incredible but true stories, interactive activities, and quirky infog

" Have fun learning to be a secret agent! This bestselling Brainiac's Secret Agent Activity Book will enable kids to send secret messages with code rings, solve