Sharpen kids’ deductive reasoning skills with these challenging logic puzzles that feature popular STEM subjects. Each puzzle categorizes information and lists clues below. By using the "cross-out-and-circle" technique, kids will practice logical thinking in order to find the correct answer. Each book includes 50 full-page puzzles with solutions. Printed in the USA.

Volume A: Age Recommendation: Ages 9 to 10

Volume B: Age Recommendation: Ages 10 to 11