Quiz your family at home with crosswords, puzzles and games.200 taxing brain teasers and riddles, demanding lateral thinking skills to solve. Ingenious challeng

A series of 200 taxing brain teasers and riddles, requiring lateral thinking skills to solve. These brainteasers are for puzzlers of all abilities, no formal kn

If you relish a serious mental workout, this collection of 100 brain teasers will demand your very best lateral thinking skills and mathematical rigour to solve

Dozens of compelling and addictive mathematical puzzles twillchallenge your mental arithmetic and powers of deductive reasoning. Tetonor rules: each number in t