What good text book or workbook from barnes and nobles is the best in math for SAT's?

PowerScore recently published The SAT Math Bible. It is the most comprehensive study guide for the math section of the SAT available. There are over 375 practice questions, 115 mastery drills, and each question has complete explanations. You can purchase the book at Barnes and Noble - a href="http://search.barnesandnoble.com/PowerScore-SAT-Math-Bible/Victoria-Wood/e/9780982661819/?itm=1&USRI=powerscore+math+bible" rel="nofollow"http://search.barnesandnoble.com/PowerSc…/a .