by Boris Girshik, Ph.D., and Julia Girshik, M.S. In each SAT, approximately 20 percent of the problems are relatively difficulty. If you ignore these problems or solve them incorrectly, your score will be in the 620-640 range. You can draw an obvious conclusionif you want to score in the 750800 range and get into an elite school, you must be able to solve the difficult problems. That is why the authors focus on these problems. Within this book, you will find you will find ten tests with twenty-five problems eachproblems more difficult than those on the SAT. The solutions not only help you improve basic math knowledge, they also teach you how to solve problems with a higher degree of difficulty. Through these problems you will increase your knowledge of arithmetic, algebra 1, some algebra 2, geometry, combinatorics, probability, and statistics. You will practice your math skills and increase your score. So you want to get into a good school, even get a scholarship? This book can be your guide. ABOUT THE AUTHORS Boris Girshik has been teaching mathematics to thousands of students for almost forty years. For the last ten years, he has been focusing on preparation for the SAT I, SAT II, calculus, and statistics. He has designed many problems, most more difficult than real test problems. Dr. Girshik strongly believes students need a good basic knowledge and the ability to work hard to achieve a great resulta high test score. Julia Girshik started her career as a calculus teacher in college. For the last ten years, she has been working as a computer programmer. Attracted to math since school, her main hobby is solving logical problems. SAT is a registered trademark of the College Entrance Examination Board, which was not involved in the production of, and does not endorse, this product. (2005, paperback, 312 pages) Availability: Usually ships in 2-3 business days.