books by subject
Brain Teaser Games

The Times Book of IQ Tests: Book Four (Testing Series)

How to Solve IQ Puzzles: Boost Your Brain Power

Knotted Doughnuts and Other Mathematical Entertainments

Sunday Telegraph Book of Quick Crosswords 6: No.6

The Senior Moments Activity Book: Restore Your Brain to Its Tack-like Sharpness

The Daily Telegraph Quick Crosswords 46

Crosswords (Best Ever 160 Pb)

Chambers Official Scrabble Words (OSW)

Scrabble Puzzles (Chambers)

The Joy of X: A Guided Tour of Mathematics, from One to Infinity

Sunday Express Crossword Dictionary

Tangrams: 330 Puzzles (Dover Recreational Math)

Math Hysteria: Fun and Games with Mathematics

Concise Crossword Dictionary (Pocket reference library)

Large Print Brain Training

Junior Su Doku

General Knowledge Genius!: A Quiz Encyclopedia to Boost Your Brain

Brain-Teasing Crosswords (Crossword Spiral S.)

Pears Ultimate Quiz Companion: 2nd Edition (Penguin Reference Books S.)

The Ultimate Unicorn Joke Book (Humour)

A Certain Je Ne Sais Quoi: Words We Pinched From Other Languages (I Used to Know That ...)

Games: French Grammar Puzzles: Crossword Puzzles for Reinforcing and Reviewing Grammar

Bamber Gascoigne's Challenging Quiz Book

How Many Moons Does the Earth Have?: The Ultimate Science Quiz Book

Enigma: Crack the Code: 1

Medieval Puzzles

The Mathematical Recreations of Lewis Carroll: Pillow Problems and a Tangled Tale (Dover Recreational Math)

52 PooDokus to Do While You Poo: Puzzles, Activities and Trivia to Keep You Occupied

Large Print Wordsearch
