Simpler than Sudoku. Even more fiendish to solve. Slitherlink is a pure logic puzzle. Can you draw a single loop whilst obeying the numbers in the grid? Don't visit '0'. Visit '1' 1 time. Visit '2' 2 times. Visit '3' 3 times. It's as easy as 1, 2, 3. This book features 100 top-quality puzzles from Dr Gareth Moore, author of over 20 best selling international puzzle and brain-training titles from a wide range of publishers.

If you're a fan of giant Sudoku puzzles then this is the book for you Printed in large format this book is packed with 50 huge 25x25 Sudoku puzzles, each attractively presented in a range of symmetric patterns. Each puzzle is guaranteed human-solvable - you can complete every Sudoku in the book just by scanning rows, columns and boxes, without having to make any pencil mark notes. Visit www.SudokuXtra.com for more details.

If you enjoy big Sudoku puzzles then you'll love this book Printed at large format size, and featuring 50 carefully crafted 16x16 Sudoku, each puzzle is attractively presented in a range of symmetric patterns. All of these Sudoku 16x16 puzzles have a guaranteed sensible, logical solution. Each puzzle can be solved by nothing more complex than simply scanning the rows, columns and 4x4 boxes, without having to make any pencil mark notes. Visit www.SudokuXtra.com for more details.

If you can solve Sudoku then you can solve Jigsaw Sudoku, the puzzle with the twisted regions. The regular 3x3 boxes are replaced with all sorts of weird and wonderful jigsaw shapes, each of which is ready and waiting for 1 to 9 to be fitted into it. There are 100 of these puzzles in this book, each rated 'easy'. All of the puzzles are symmetrical in a wide range of different ways, and every one can be solved without requiring complex logic, so it's suitable even for beginners - but the varied nature of each puzzle means there's a challenge even for experts For even more details visit...

Issue 8 of Sudoku Xtra is packed to bursting with the widest range of Japanese puzzles and Sudoku variants of any English-language publication. With an incredible 116 logic puzzles of over 50 different types there's something for both logic puzzle fans and casual solvers alike, and it's printed on large, top-quality paper. Puzzles include Hanjie, Calcudoku, Nurikabe, Slitherlink, Hashi, Kakuro, Yajilin, Futoshiki, Hitori, Killer Sudoku and more. Sudoku Xtra also offers a huge range of Sudoku variants that range from Jigsaw, Extra Region and Skyscraper to Consecutive, Outside and Odd-Pair....

Just as with volume 1, if you're a fan of big Sudoku puzzles then this is the book for you Printed in large format this book is packed with 50 giant 16x16 Sudoku puzzles, each attractively presented in a range of symmetric patterns. Each puzzle is guaranteed human-solvable - you can complete every Sudoku in the book just by scanning rows, columns and boxes, without having to make any pencil mark notes. Visit www.SudokuXtra.com for more details.

Just as with volume 1, if you're a fan of giant Sudoku puzzles then this is the book for you Printed in large format this book is packed with 50 huge 25x25 Sudoku puzzles, each attractively presented in a range of symmetric patterns. Each puzzle is guaranteed human-solvable - you can complete every Sudoku in the book just by scanning rows, columns and boxes, without having to make any pencil mark notes. Visit www.SudokuXtra.com for more details.

With 100 incredibly varied puzzles, including Hanjie, a huge range of Sudoku variants, Calcudoku, Killer Sudoku, Kakuro, Hashi, Slitherlink, Nurikabe, Masyu, Hitori, Futoshiki, Yajilin and many more, Sudoku Xtra is heaven for logic puzzle fans and casual solvers alike. Featuring hand-made puzzles created by Dr Gareth Moore, author of a wide range of puzzle and brain-training books, Sudoku Xtra brings together all of the most popular Japanese puzzles, as well as a sprinkling of more unusual types. Visit SudokuXtra.com for even more content details.

If you're a fan of larger-than-average Sudoku puzzles, or you're looking to take your Sudoku puzzle solving to the next stage, then this is the book for you Printed in large format this book is packed with 100 larger-than-normal 12x12 Sudoku puzzles, each attractively presented in a range of symmetric patterns. Suitable for both beginners and experts alike, the first 50 puzzles all require only basic solving techniques, while puzzles 51 to 100 ramp up the difficulty level a notch. Visit www.SudokuXtra.com for more details.