The Daily Telegraph Colossal Christmas Sudoku

This new book has even more than you would normally expect from The Daily Telegraph sudoku collections. With over 200 standard grids, graded according to difficulty, it’s designed with both beginners and experts in mind, and is sure to keep the most demanding sudoku addict satisfied over the Christmas season (it also fits nicely into a stocking). All solvers will find the step-by-step introductory tutorial an invaluable guide, and solutions are provided in the back of the book.