Triddlers are logic puzzles that use number clues around a grid to create an image. The clues encircle the entire grid. The direction of the clues is horizontal, vertical, or diagonal. Each clue indicates a group of contiguous triangles of like color. Between each group there is at least one empty triangle. The clues are already in the correct sequence. Groups of different colors may or may not have empty triangles between them. This book consists of 162 Triddlers puzzles, from small and easy up to big and complicated ones that may take several hours to solve. The solutions of the puzzles appear at the end of the book.