Brain Teaser Games

Are You Really a Genius?: Timeless Tests for the Irritatingly Intelligent

By Robert A. Streeter, Robert Hoehn

Spin-a-quiz 1001 Questions and Answers World History

The Crystal Maze

By Sandy Ransford, Peter Arnold and

Schott's Quintessential Miscellany

By Schott, Ben

A Second Mensa Puzzle Book

By Serebriakoff, Victor

CAN YOU BELIEVE YOUR EYES: Over 250 Illusions and Other Visual Oddities

By Block, J.Richard, Yuker, H.E.

Stuff Every American Should Know

By Denise Kiernan, Joseph D'Agnese

The Little Book of Surrey

By Rupert Matthews

QI: Advanced Banter

By John Lloyd, John Mitchinson

Collins Bradford's Crossword Solver's Dictionary

By Anne R. Bradford

QI: Advanced Banter

By John Lloyd, John Mitchinson

Bletchley Park Cryptic Crosswords

By Arcturus Publishing Limited

The Da Vinci Quiz Book: 501 Questions to Crack the Code

By Tracey Turner

The Adlard Coles Nautical Quiz Book: With 1,000 questions

Trek Master Quiz Book

By David McCandless

The Unauthorized Trekker's Guide to the "Next Generation" and "Deep Space Nine"

By James Van Hise

Britain: The Book of the Millennium

By Osmond-Evans, Anthony

Sherlock Holmes Case-Book of Curious Puzzles: A Collection of Enigmas to Puzzle Even the Greatest Detective

By Sidney Paget, Dr Gareth Moore, George Wylie Hutchinson

Basic Bridge

By Ron Klinger, Andrew Kambites, Pat Husband

Sherlock Holmes' Elementary Puzzles: Riddles, enigmas and challenges inspired by the world's greatest crime-solver

By Tim Dedopulos

Beat the Timer IQ Puzzles

By Philip J. Carter, Nikole G. Bamford, Alan Shiner

Everything But the Oink: A Foodie Quiz

By GRAHAM TARRANT

Crossword

By Bookoli Ltd.

Whodunit Crime Puzzles

By Hy Conrad

The O Level Book: Genuine Exam Questions From Yesteryear

By Dr Martin Stephen, Michael O'Mara Books

Puzzlegrams: Colourful Collection of Classic Puzzles

By Pentagram Design Partnership

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

By Hugh Jassburn

I Think, Therefore I Am: All the Philosophy You Need to Know (I Used to Know That ...)

By Levene, Lesley

We Have No Idea: A Guide to the Unknown Universe

By Jorge Cham, Daniel Whiteson

IQ Puzzles

By Arcturus Publishing