- Logic Workbook for Gritty Kids
- My First Logic Workbook for Gritty Kids: Spatial Reasoning, Math Puzzles, Logic Problems, Focus Activities.
- Another Logic Workbook for Gritty Kids: Spatial Reasoning, Math Puzzles, Word Games, Logic Problems, Focus Activities, Two-Player Games.
- An Intermediate Logic Workbook for Gritty Kids: Spatial Reasoning, Math Puzzles, Word Games, Logic Problems, Focus Activities, Two-Player Games. (Deve
- Word Games for Gritty Kids: 175+ Fun and Brainy Puzzles for Kids Ages 8, 9, 10, 11, 12








