Book with cool math and word problems and games. Many similar books do not provide the answers to the problems offered. This book will provide the answers and the methods to resolving the problems. This book will help you to understand some mathematical solutions and it will provide some interesting facts.

This guide is comprehensive and unsurpassed in presenting the most error coins containing doubled die errors, and variations. All coin errors listed have been certified by the most well-known encapsulation services and sold by major auction houses. Modern day coin error listings with photographs and values at auction. Do you have one of the modern day valuable coin errors that may still be located in circulation worth thousands of dollars? twitter.com/coinerrorguide