books by subject
Recreational Mathematics
Maths on the Back of an Envelope: Clever ways to (roughly) calculate anything
Master Book of Mathematical Recreations
Brain Games for Clever Kids (Buster Brain Games)
Daily Brainteasers for Ages 5-7
The Annotated Alice: Definitive Edition
Spinderella (Reading Ladder Level 2)
Around the World in 80 Games: A mathematician unlocks the secrets of the greatest games
The Simpsons and Their Mathematical Secrets
Guy Martin: When You Dead, You Dead
Labrador: The Story of the World's Favourite Dog
The Second Big Book of Puzzles (Puffin Books)
The Times Su Doku Book 3: 100 original puzzles
The Times Su Doku Book 4: 100 original puzzles: Bk. 4
Mathematical Games and Puzzles
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
PAW Patrol Picture Book - Pups Save Christmas
Finding Moonshine: A Mathematician's Journey Through Symmetry
Brain Games Puzzle Book: A Collection of Challenging Puzzles for Adults: Word Search - Crossword - Maze - Sudoku - Criss Cross
Five More Golden Rules: Knots, Codes, Chaos and Other Great Theories of 20th-century Mathematics
The Universal History of Computing - From the Abacus to the Quantum Computer
50 Visions of Mathematics
A Mathematician Reads the Newspaper: Making Sense of the Numbers in the Headlines (Penguin Science)