Check the listing for details. Mind Benders Level 1 Workbook, Deductive Thinking Skills Puzzles (Grades PreK-K). Condition: Brand New. Listed at 10.99 USD. We are the publisher, The Critical Thinking Co. and this is a brand new book in the latest edition. DescriptionThis 56-page book contains several of our best-selling deductive thinking puzzles for Grades PreK-Kindergarten. It develops the logic, reading comprehension, and mental organization skills vital to achieving higher grades and top test scores in all subjects. These award-winning, fun puzzles are also great for developing real-life, problem-solving skills! Students learn to carefully analyze each Mind Benders® story and its clues, identifying logical associations between people, places, and things. The key is to make sure you get all the information out of each clue, by starting with the most obvious associations, then deducing the less obvious associations until everything finally fits together. Step-by-step instructions and detailed answers are included. Puzzles increase in difficulty.