Mensa Riddles & Conundrums: Over 200 Visual, Logic and Number Puzzles By Allen, Robert Books / Paperback Books › Games › Puzzles Books › Games › Quizzes ISBN: 1847328296 / Publisher: Carlton Publishing, January 2011 Price Starting at $5.59 Free Shipping Send to a friend Add to Wishlist Description A collection of riddles, lateral thinking problems, conundrums, mind mazes, posers and baffling brai... Read More A collection of riddles, lateral thinking problems, conundrums, mind mazes, posers and baffling brain twisters. Read Less Below is a list of products arranged by condition. Select the quantity of the product you desire and click the "Add" button. Used - Good Good condition. A copy that has been read but remains intact. May contain markings such as bookplates, stamps, limited notes and highlighting, or a few light stains. $5.59 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store. Reviews Goodreads reviews for Mensa Riddles & Conundrums: Over 200 Visual, Logic and Number Puzzles