books by subject
Recreational Mathematics
A Mathematician Reads the Newspaper: Making Sense of the Numbers in the Headlines (Penguin Science)
Mathematical Circus: More Games, Puzzles, Paradoxes and Other Mathematical Entertainments from "Scientific American"
Why Does Math Work ... If It's Not Real?: Episodes in Unreasonable Effectiveness
Teaching Children To Love Problem Solving: A Reference From Birth Through Adulthood
Seventeen Equations that Changed the World
The Mathematical Brain
1000 Brain-teasers: Mind-bogglers to Boggle the Mind
Win A Grand Prix
25 Super Cool Math Board Games: Easy-To-Play Reproducible Games That Teach Essential Math Skills
Mathematical Games and Puzzles
50 Visions of Mathematics
The Universal History of Computing - From the Abacus to the Quantum Computer
The Life-Changing Magic of Numbers
PAW Patrol Picture Book - Pups Save Christmas
Five More Golden Rules: Knots, Codes, Chaos and Other Great Theories of 20th-century Mathematics
Brain Games Puzzle Book: A Collection of Challenging Puzzles for Adults: Word Search - Crossword - Maze - Sudoku - Criss Cross
Finding Moonshine: A Mathematician's Journey Through Symmetry
Classic Mathemagic
The Hidden Game of Baseball: A Revolutionary Approach to Baseball and Its Statistics
MENSA CHALLENGE YOUR BRAIN MATH LOG
Chaos: Making a New Science
The Nothing that is: A Natural History of Zero
The Maths Handbook: Everyday Maths Made Simple
Mind for Numbers: How to Excel at Math and Science (Even If You Flunked Algebra)
Dr. Riemann's Zeros
Math Wizardry for Kids
Numericon: A Journey through the Hidden Lives of Numbers
Everything Is Predictable: How Bayes' Remarkable Theorem Explains the World
Pencil and Paper Games for Kids: Over 100 Activities for 3-11 Year Olds