To Mock a Mocking Bird

The Canterbury Puzzles and Other Curious Problems

The GCHQ Puzzle Book: Perfect for anyone who likes a good headscratcher

My Best Mathematical and Logic Puzzles

The Riddle of Scheherazade: And Other Amazing Puzzles, Ancient and Modern

Winning Ways for Your Mathematical Plays: Volume 1, Edition 2

The Moscow Puzzles: 359 Mathematical Recreations

The Penguin Book of Puzzles

Puzzles for Programmers and Pros

The Total Brain Workout

Word Freak: Heartbreak, Triumph, Genius, and Obsession in the World of Competitive Scrabble Players

Puzzles and Words

Can You Solve My Problems?: Ingenious, Perplexing, and Totally Satisfying Math and Logic Puzzles

Geometric Puzzle Design

Algorithmic Puzzles

Exercises for the Brain and Memory : 70 Neurobic Exercises & FUN Puzzles to Increase Mental Fitness & Boost Your Brain Juice Today: (Special 2 In 1 Exclusive Edition)

Merriam-Webster's Crossword Puzzle Dictionary

536 Puzzles and Curious Problems

The Puzzle Instinct: The Meaning of Puzzles in Human Life

Lateral Logic: Puzzle Your Way to Smart Thinking

The Big Brain Puzzle Book

The Crossword Century: 100 Years of Witty Wordplay, Ingenious Puzzles, and Linguistic Mischief

Beginner's Guide to American Mah Jongg: How to Play the Game & Win

Mind-Blowing Modular Origami: The Art of Polyhedral Paper Folding: Use Origami Math to fold Complex, Innovative Geometric Origami Models

Crossworld: One Man's Journey into America's Crossword Obsession

The Pyrgic Puzzler: Classic Conundrums

The Crystal Maze Challenge: Let The Games Begin!

The Pattern in the Carpet: A Personal History with Jigsaws

Math Hysteria: Fun and games with mathematics

Puzzled: Secrets and clues from a life in words

The World's 200 Hardest Brain Teasers: Mind-Boggling Puzzles, Problems, and Curious Questions to Sharpen Your Brain

Satan, Cantor, And Infinity And Other Mind-bogglin

Cows in the Maze: And other mathematical explorations

Famous Puzzles of Great Mathematicians

Crossword Lists & Crossword Solver: Over 100,000 potential solutions including technical terms, place names and compound expressions, Edition 2

The Escape Book: Can you escape this book?

Cracking the Cube: Going Slow to Go Fast and Other Unexpected Turns in the World of Competitive Rubik's Cube Solving

Professor Stewart's Casebook of Mathematical Mysteries

How to Cut a Cake: And other mathematical conundrums

The Ultimate World War II Quiz Book: 1,000 Questions and Answers to Test Your Knowledge

Crazy for Sudoku

A Muse and a Maze: Writing as Puzzle, Mystery, and Magic

The Pub Quiz & Puzzle Book

Slicing Pizzas, Racing Turtles, and Further Adventures in Applied Mathematics

The Gödelian Puzzle Book: Puzzles, Paradoxes and Proofs

Mathematical Snapshots

Master Builder Roblox: The Essential Guide

Expanagrams: Exciting Expanding Word Puzzles

Cryptanalysis: A Study of Ciphers and Their Solution