Title
Mystifying Mathematical Puzzles: Golden Spheres, Squared Eggs and Other Brainteasers (Dover Math Games & Puzzles),Used
Delivery time: 8-12 business days (International)
Fans will find this volume indispensable; casual readers will find it an attractive nuisance,' observed Scientific American of this rich and challenging compilation of puzzles. From brainteasers that any novice can figure out to complex problems involving number theory, this puzzle treasury offers a splendid variety of conundrums. Readers can follow the path of the bouncing billiard balls, search for the lost chord, size up golden spheres, calculate the number of squared eggs, and take on dozens of other imaginative challenges, including diabolic squares, flexagons, domino games, and geometric dissections.Assembled by Joseph S. Madachy, lead editor of the Journal of Recreational Mathematics, this collection features problems as well as classical puzzles, many of which offer fascinating insights into the nature of mathematics. Mystifying Mathematical Puzzles provides excellent entertainment for puzzle enthusiasts of every level and is ideal for home or classroom use. Complete solutions to all puzzles are included.
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⚠️ 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 more information, please visit www.P65Warnings.ca.gov.
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Shipping & Returns
Shipping
We ship your order within 2–3 business days for USA deliveries and 5–8 business days for international shipments. Once your package has been dispatched from our warehouse, you'll receive an email confirmation with a tracking number, allowing you to track the status of your delivery.
Returns
To facilitate a smooth return process, a Return Authorization (RA) Number is required for all returns. Returns without a valid RA number will be declined and may incur additional fees. You can request an RA number within 15 days of the original delivery date. For more details, please refer to our Return & Refund Policy page.
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If you believe you have received a defective product, or are experiencing any problems with your product, please contact us.
This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
Warranty
We provide a 2-year limited warranty, from the date of purchase for all our products.
If you believe you have received a defective product, or are experiencing any problems with your product, please contact us.
This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
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Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
We accept payments with :
Visa, MasterCard, American Express, Paypal, Shopify Payments, Shop Pay and more.