Written by the 19th-century mathematician who also gave us "Alive in Wonderland", they are among the most entertaining logical works ever written, and contain some of the most thought-provoking puzzles ever devised.

    Get ready to amaze your friends—and yourself—with incredible calculations you never thought you could master, as renowned “mathemagician” Arthur Benjamin shares his techniques for lightning-quick calculations and amazing number tricks. This book will teach you to do math in your head faster than you ever thought possible, dramatically improve your memory for numbers, and—maybe for the first time—make mathematics fun.Yes, even you can learn to do seemingly complex equations in your head; all you need to learn are a few tricks. You’ll be able to quickly multiply and divide triple digits, compute with fractions, and determine squares, cubes, and roots without blinking an eye. No matter what your age or current math ability, Secrets of Mental Math will allow you to perform fantastic feats of the mind effortlessly. This is the math they never taught you in school.Also available as an eBook

    A large stone Venus. Nothing unusual about it_except that it was found on an island in the Pacific Northwest. Archaeologist Hannah Green and her shovelbum nephew find themselves in a tangled web of competing interests avaricious land owners, hungry media, and a cult of goddess worshippers while investigating one of the finds of the century. In untangling the mystery of the Washington Venus, Hannah and Sean have to confront questions of archaeological evidence, of ethics, of conflicting interpretation of data, and of the very nature of archaeological truths. Helping them are a cadre of disdainful graduate students who propose various theories processualist, marxist, feminist, postmodernist to explain the bizarre events. Teach your students archaeological theory in a fashion they'll enjoy, while they solve the mystery in Adrian Praetzellis's delightful textbook-as-novel.

    Jenkinson takes readers through Ruth's 1921 season, in which his pattern of battled balls would have accounted for more than 100 home runs in today's ballparks and under today's rules. Yet, 1921 is just tip of the iceberg, for Jenkinson's research reveals that during an era of mammoth field dimensions Ruth hit more 450-plus-feet shots than anybody in history, and the conclusions one can draw are mind boggling.

    There are production stills and in-depth accounts of the worldwide acclaim and financial success following the release of The Godfather. The study also details the production and release of The Godfather Part II and The Godfather Part III.

    After the huge success of the first 100 Quotes to think about, here is a follow up with 100 more quotes to change your life.

    In this newly revised edition, chapters have been rewritten to accommodate the impact of computer technology and the Internet, not only on the acquisition and analysis of data, but also on its organization and presentation. Alternatives to the use of radiation have been expanded, and figures and illustrations have been redrawn to reflect changes in laboratory equipment and procedures.