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If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, withing 24 hours on weekdays.
Customer service
All questions about your order, return and delivery must be sent to our customer service team by e-mail at yourstore@yourdomain.com
Sale & Press
If you are interested in selling our products, need more information about our brand or wish to make a collaboration, please contact us at press@yourdomain.com
Sam Loyd (18411911) Was America'S Greatest Originator Of Puzzles. For More Than 50 Years, His Ingenious Posers, Appearing In Innumerable Newspaper And Magazine Articles, Stumped And Delighted An American Public Running Into The Millions. (Four Or Five Of His Mechanical Puzzles Became National Crazes.) After Loyd'S Death, His Son Issued A Vast Collection Of These Problems In A Book Entitled 'Cyclopedia Of Puzzles' Probably The Most Famous And Exciting Collection Of Puzzles Ever Assembled In One Volume.Now Martin Gardner, A Wellknown Author Of Many Science And Puzzle Books And Articles, Has Selected The Choicest Mathematical Puzzles Contained In The Long Outofprint 'Cyclopedia,' Editing Each One For Accuracy And Clarity, But In Such A Way As Not To Sacrifice The Unique Style And Historical Flavor Of The Originals. This Is The Second Volume Of Gardner'S Selection To Appear, And Contains 166 Of Loyd'S Most Brilliant And Original Creations, Together With The 150 Line Drawings And Diagrams With Which They Were Originally Illustrated.A Distinctive Feature Of This New Selection Is The Analytical Table Of Contents, Which Groups The Puzzles According To The Type Of Mathematical Skill Necessary To Solve Them. Whatever Your Taste In Mathematical Puzzles, You Will Be Able To Locate Easily Puzzles Based On Arithmetic And Algebra; Speed And Distance Problems; Game Theory; Operations Research; Clock Problems; Plane Geometry; Geometrical Dissection; Route Tracing And Topological Problems; Counter And Sliding Block Problems; Sold Geometry; And Physics And Calculus Problems.
⚠️ WARNING (California Proposition 65):
This product may contain chemicals known to the State of California to cause cancer,
birth defects, or other reproductive harm.
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⚠️ California Proposition 65 Warning: Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.