Pit your wits against 'Top Cat', the most original and challenging crossword compiler. Inside you will find 100 brand-new mind-bending puzzles to test the skills of moderate to advanced-level solvers. As well as traditional puzzles, there are mysteries to reveal, cryptographs to solve, and crosswords from the third dimension! Can you deduce the world's shortest clue, find the world's longest answer (probably) and work out the universe's most devious anagrams? Not suitable for children.