Over 200 brand new sudoku puzzles by puzzle master, Dr Gareth Moore.

At home or in the office, for many of us the only time we get a quiet moment is on the loo. Sudoku on the Loo will help you entertain yourself and keep your brain active in those precious spare moments. Containing 200 brand new sudoku puzzles, this little book will test your mental agility and boost your IQ ... all from the comfort of your toilet. So, pick up your trusty pen and get puzzling in peace.

Complete the set with Word Searches on the Loo and Crosswords on the Loo.