logic puzzles adults

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Euclid in the Rainforest: Discovering Universal Truth in Logic and Math

by
Joseph Mazur

Paperback

19.00 JOD
On backorder 2-5 Weeks to Arrive

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90-Day Challenge to Sharpen the Mind and Strengthen Cognitive Skills Enlarged Print, Easy to Hard!: Logic Puzzles Book for Brain Fitness

by
Lana Barnes

Paperback

13.99 JOD