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.