Daily Telegraph Sudoku 7

This new collection has everything you have come to expect from The Daily Telegraph's puzzles - and more.

The book is compiled with both addicts and novices in mind: the puzzles are graded according to their level of difficulty, from 'moderate' through 'tough' to 'diabolical'. All solvers will find the introductory tutorial an invaluable guide, and solutions are included at the back of the book.