Books/DVDs

3-5 years

BODV The Magic Garden of George B and Other Logic Puzzles

500 Easy to Hard Logic Puzzles That Make You Smarter

17 Easy-to-Do Projects and 24 Sheets of Origami Paper

BODV A Doubter's Almanac

Google Bombs, Chocolate-Covered Pi, and Other Cool Bits in Computing

by Elwyn R. Berlekamp, John H. Conway, Richard K. Guy

These simple math secrets and tricks will forever change how you look at the world of numbers.

Guesstimation: Solving the World's Problems on the Back of a Cocktail Napkin by Lawrence Weinstein and John A. Adam

Crocheting Adventures with Hyperbolic Planes by Daina Taimina

Tribute to a Mathemagician, edited by Barry Cipra, Erik D. Demaine, Martin L. Demaine, and Tom Rodgers

X and the City: Modeling Aspects of Urban Life by John A. Adam