Why Do Buses Come in Threes
15.95 £
E-book
| "e;Deals in a very entertaining way with problems in normal life related to math...
GCHQ Puzzle Book II
9.99 £ *
19.50 £
E-book
| Train your brain with these fiendishly difficult puzzles, the perfect companion ...
GCHQ Puzzle Book
8.99 £ *
19.50 £
E-book
| Sharpen your mind to beat the smartest brains in Britain with the original offic...
Lateral
8.99 £ *
40.38 £
E-book
| "e;David Bodycombe has one of the most devious minds I've ever encountered"e; - ...
Win at Sudoku (The complete guide to solving all levels of Sudoku puzzles using pure logic)
7.36 £ *
7.97 £
E-book
| 
Canterbury Puzzles
5.99 £ *
15.00 £
E-book
| For the mastermind who has what it takes to solve the tricky conundrums from Bri...