Pretty Puzzles: Sudoku

Now that science has proved that mental exercise is vital in order to keep your mind young, fit and healthy - and even to stave off Alzheimer's - can you afford to neglect your grey matter?

It is true that in the past, puzzles have had something of an image problem.

But no more. Who says that you have to choose between style and content? "Pretty Puzzles" is a groundbreaking new collection of posers, brain-teasers and mental challenges.

Inside its simply gorgeous covers, you'll find all manner of riddles and problems to give your mind a great work-out - and best of all, you'll look wonderful doing it.

This is the must-have accessory for everyone who cares about looking, thinking and being fabulous.