Read more about the condition New: A new, unread, unused book in perfect condition with no missing or damaged pages. This quiz contains a range of 20 general knowledge questions for you try and pit your wits against - how close to a perfect score can you get? With five difficulty levels ranging from beginner to extreme, newcomers will become addicted and experts will have fresh puzzles to test them.

But wait a minute - if the value were only lower than 5, say it was 4, then the final square would have to contain 10 to complete the sum to 45.

This delightful collection of sudoku puzzles draws on the plants in their collection with beautiful floral images on every page. Features: 200 hard puzzles Big grids for easy solving Introduction by legendary Puzzlemaster Will Shortz About .

For instance, if you have to make 17 from two squares in a killer sudoku, then you know straight away these contain the 9 and the 8 so they can be written in as pencilmarks and removed as options from all the other squares in the grid. Killer-Sudoku puzzle booklet200 heavy killer-Sudoku puzzles in grid 9x9 for all, for which normal Sudoku is not enough. By bidding on, or purchasing this item, you are agreeing to us sharing your name and address details with that 3rd party supplier to allow us to fulfil our contractual obligations to you. of difficulty levels, from easy to fiendish, this book can be enjoyed by both the Sudoku novice and the puzzle master with years of solving experience.Containing a massive 300 killer sudoku puzzles packaged in a stylish paperback, this is the perfect killer sudoku gift book for adults of any age. Featuring striking covers, these compact puzzle books are packed with over 100 entertaining puzzles for hours of mind-sharpening fun.