Griddlers logic puzzles, also known as Picross or Nonograms, are picture logic puzzles in which cells in a grid have to be colored or left blank according to numbers given at the side of the grid to reveal a hidden picture. Some people compare Griddlers to Sudoku. However, the Griddlers puzzles always reveal a nice image as a result.

This book consists of 127 Griddlers and 8 Triddlers puzzles, from small and easy up to big and complicated ones that may take several hours to solve. Seven of them are multigriddlers - one two parts together give one image. The solutions of the puzzles appear at the end of the book.