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
9.49 £ *
19.50 £
E-book
| Train your brain with these fiendishly difficult puzzles, the perfect companion ...
GCHQ Puzzle Book
9.49 £ *
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; - ...
Canterbury Puzzles
7.99 £ *
15.00 £
E-book
| For the mastermind who has what it takes to solve the tricky conundrums from Bri...
Win at Sudoku (The complete guide to solving all levels of Sudoku puzzles using pure logic)
7.36 £ *
7.97 £
E-book
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