by Mindful Puzzle Books (Author)
- 150 unique puzzles- 5 difficulty levels- 6x6, 8x8, 9x9Fill digits in the grid such that every row, column and boldly outlined box contains all given digits without repetition. Clues are given in the form of lit segments of an LED. Only digits that contain those lit segments can appear in a given cell.
Number of Pages: 106
Dimensions: 0.22 x 9.02 x 5.98 IN
Publication Date: March 04, 2019