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
Help
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
It's a festival of puzzles, a multitude of perplexing problems, and a gaggle of great games...not to mention riddles that would stump the Sphinx. Challenge your brain with a collection of 575 amazing teasers, tricks, and mindexpanding exercises. Fans of enigmas will find favorites that test their logic to the maxincluding brief, intriguing stories featuring that master of deduction, Sherlock Holmes. Math mavens can give numeric brainteasers a try. Or you might prefer to solve chess and checkers conundrums. Join Alice in Puzzleland, play the ancient game of Nine Men Mars, and show off with a variety of coin tricks. Everything is beautifully illustrated with intricate drawings, game boards, and diagrams, and neophytes will appreciate the detailed instructions. Whether you're amusing yourself with word transformations or figuring out The Diabolical Cube, you won't be able to put this down!
⚠️ WARNING (California Proposition 65):
This product may contain chemicals known to the State of California to cause cancer,
birth defects, or other reproductive harm.
For MAP (Minimum Advertised Price) violations and Intellectual Property (IP) or Trademark concerns, please contact:
support@ergodebooks.com
⚠️ 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.
