Professor Higgins's Problem Collection
Book
What can you do with your maths? You can use it to thoroughly understand all manner of things that...
Kids’n’Code
Education and Games
App
Solve puzzles, control robots and learn basic concepts and principles of programming. With...
Strimko Gold
Games
App
STRIMKO™, the popular web-based logical puzzle game, comes to the iPhone / iPod touch (compatible...
Can You Solve My Problems?: A Casebook of Ingenious, Perplexing and Totally Satisfying Puzzles
Book
Are you smarter than a Singaporean ten-year-old? Can you beat Sherlock Holmes? If you think the...
The Moscow Puzzles
Book
A non-stop train leaves Moscow for Leningrad at 60 miles per hour. Another train leaves Leningrad...
Cryptogram Word Puzzles
Games
App
The quality app for serious cryptogram / cryptoquip solvers with no ads or nags. Designed from...
The Times: KenKen: The New Brain-training Puzzle Phenomenon: Bk. 1
Book
KenKen is the brilliant successor to Su Doku that's taken Japan by storm selling over one million...
The Daily Mail: All New Quick Crosswords 1
Book
A new format and design heralds a new collection of cryptic crosswords. Challenge yourself and test...
The Daily Mail: All New Quick Crosswords 2
Book
Part of the newly relaunched Daily Mail Crossword Collection. Challenge yourself and test your logic...