The ultimate test of logic, these challenging puzzles take sudoku to a whole new level. The killer sudoku is a favourite in the Telegraph newspaper and with puz
You don't need to be a maths expert to get hooked on sudoku, the nation's favourite number challenge. Test your logic to the limit with a brand new compilation
***The biggest and best book of sudokus returns for a sequel! Choose from 400 puzzles with a range of difficulties ranging from beginner to fiendish! Relax and
A brand-new collection of Killer Sudoku puzzles, the Sudoku variation that has sold over 45,000 copies in the Pocket Posh® series. Our second collection of Poc