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Pentertain by Ken de Courcy - Book
The first in a series of three books using mathematics (usually) and drawing to create entertaining and humorous stories, sometimes with a bit of magic. The other books in the series are "Son of Pentertain" and "Mistress of Pentertain"
Contents (from book):
I Introduction
1 Pentertain: how to prepare, usually done with pen and paper, but can be done on a whiteboard, etc.
2 Only Heaven - and Einstein - Knows!: a geometrical pattern and Liberals, Conservatives, and Socialists
4 Everything is Relative: number matrix prediction
5 A Not-so-Proper Charlie: Charlie's odd method of multiplying two numbers
6 The Chinese Check: another approach to the above calculation, patter would need some adjusting today
8 The Forgotten Phone Number: finding a missing number using some math
11 A Question of Degree: Charlie's job examination paper
14 A Last Word
Returns Policy
In the world of magic, the secret is told when the trick is sold. Accordingly, Magic Inc. has a strict no-refund policy. Thus, once you receive an item, you have access to the secrets included, and that is not something that we can get back from you. For this reason, we do not issue refunds and we do not exchange product that is in working order. However, if the merchandise should be defective, we will gladly replace it with a non-defective version of the same trick. No exceptions.
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Merchandise to shipped to customers in the continental United States is shipped via United States Postal Service (USPS) or United Parcel Service Ground (UPS), whenever possible. Merchandise to customers in Alaska and Hawaii is shipped via USPS. Overnight shipping may be requested. You will be charged for the exact cost of the shipping and a small handling fee.
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International Shipping
For shipping outside the United States, charges for international orders are based on the weight and size of your order and will be calculated at the time of shipping. You will be charged the actual postage, plus a small handling fee. Merchandise to international customers is shipped via United States Postal Services (via International Priority Mail).
