Penrose Tiles To Trapdoor Ciphers By Martin Gardner. Vintage 1989 Fractal Mathematical Games. Retrurn Of Dr. Matrix.

$13.60 $16.00

Penrose Tiles To Trapdoor Ciphers
By Martin Gardner
1989 Vintage Softcover
Former library copy has a sticker on the side and has a square cut out of the front cover. otherwise in very nice shape.

Shipping from United States

Processing time

3-5 business days

Customs and import taxes

Buyers are responsible for any customs and import taxes that may apply. I'm not responsible for delays due to customs.

Payment Options

Secure options
  • Accepts Etsy gift cards

Returns & Exchanges

I don't accept returns, exchanges, or cancellations

But please contact me if you have any problems with your order.

Privacy policy

I will only use your shipping and billing address, and contact information

  • To communicate with you about your order
  • To fulfill your order
  • For legal reasons (like paying taxes)

Legal imprint