Hachette

Stand back! Genius at work! Encase your little bother in a giant soap bubble. Drop mentos into a bottle of diet soda and stand back as a geyser eru...

Join P.I. Hartigan Brownesolve in this fantastic, festive, interactive puzzle adventure story—perfect for code-cracking families and skillful young...

It’s hands-on science with a capital “E”—for engineering. Beginning with the toppling of the Colossus of Rhodes, one of the seven wonders of the an...

An outrageously clever and colorful bonanza of more than 250 mind-teasing mazes, word games, visual puzzles, and much more.  Wind your way through ...

Geometry? No problem!  This Big Fat Notebook covers everything you need to know during a year of high school geometry class, breaking down one big ...