Logic Workbook for Gritty Kids: Spatial reasoning, math puzzles, word games, logic problems, activities, two-player games. (The Gritty Little Lamb com - Dan Allbaugh
Allbaugh, Dan: - Dan Allbaugh is an award-winning author, husband, and father of two curious and playful boys whose energy and shared love of games inspire his writing. He lives with his family in Iowa.