books by subject
Recreational Mathematics
Number Freak: A Mathematical Compendium from 1 to 200
Life By the Numbers
Euler's Pioneering Equation: The most beautiful theorem in mathematics
Bond Brain Training: Number Puzzles
The Signal and the Noise: The Art and Science of Prediction
50 Maths Ideas You Really Need to Know
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
Classic Mathemagic
Hexaflexagons and Other Mathematical Diversions: The First Scientific American Book of Puzzles and Games
The Tiger That Isn't: Seeing Through a World of Numbers
Sports Geek: A Visual Tour of Sporting Myths, Debate and Data
Pencil and Paper Games for Kids: Over 100 Activities for 3-11 Year Olds
Everything Is Predictable: How Bayes' Remarkable Theorem Explains the World
Numericon: A Journey through the Hidden Lives of Numbers