Codewords Book 1

Book Lover's Wordsearch

Eric Saunders

The Official Agatha Christie Puzzle Book

Agatha Christie Ltd

20,000 Cows! An Almost Impossible Word Search

Alex Cheddar

The New York Times Strictly Medium Crossword Puzzles Volume 1 200 Medium Puzzles

The New York Times

Modern Puzzles: From The Victorians to the Computer Age

Tim Dedopulos

The Telegraph Big Book of Cryptic Crosswords 3

THE TELEGRAPH MEDIA GROUP

The GCHQ Puzzle Book II

GCHQ

Bletchley Park Brainteasers

Sinclair McKay

The Penguin book of puzzles

Gareth Moore

Can You Solve My Problems?

Alex Bellos

The GCHQ Puzzle Book

GCHQ

Games for bored adults - challenges. competitions. activities. drinking.

Alice's Puzzles in Wonderland

Richard Wolfrik Galland

Sherlock Holmes' Elementary Puzzles

Tim Dedopulos

Brain games for clever kids

Gareth Moore

Giga IQ-nøtter

Puzzles for proframmers and pros

Dennis E. Shasha

The Sherlock Holmes Puzzle Collection

Tim Dedopulos

Chambers Crossword Dictionary Over 500,000 Solutions for Every Kind of Crossword

Aidan Chambers

Lateral Thinking & logical deduction

Mensa null

Professor Stewart's Cabinet of Mathematical Curiosities

Ian Stewart

Stor kryssordbok

Daniel Danielsen

The Mammoth Book of Secret Codes and Cryptograms Over 600 Mystery Codes to Be Cracked!

Elonka Dunin

Kryssordbok

Daniel Danielsen

The Independent Book of Sudoku, Volume 1

Hazel Norris

Java Puzzlers

Joshua Bloch

That book

Mitchell Symons

Kryssordleksikon

Code

Charles Petzold

Kryssordkjempen

Giant Book of Mensa Mind Challenges + Giant book of challenging thinking puzzles

Lea Poniachik

Mind bending

Jenny Lynch

More Mindbending Thinking Puzzles

Simon Melhuish

Fremmedord og synonymer for kryssordløseren

Dag Gundersen

Kryssordhjelper'n

Jens Moestue

Bakvendt kryssordbok

Svein Erik Olsson

Kryssordløseren

Tormod Ropeid

Damms kryssordløser

Arild Feldborg

Can You Solve These? Mathematical Problems to Test Your Thinking Powers

David Wells

Mathematical bafflers

Angela Dunn