The College Panda's SAT Math: Advanced Guide and Workbook

IMPORTANT: This book is an older edition. For the DIGITAL SAT edition, go here: https://www.amazon.com/College-Pandas-SAT-Math-Advanced/dp/1733192735/
This book brings together everything you need to know for the SAT math section. Unlike most other test prep books, this one is truly geared towards the student aiming for the perfect score. It leaves no stones unturned.
Inside, You'll Find: Clear explanations of the tested math concepts, from the simplest to the most obscure Hundreds of examples to illustrate all the question types and the different ways they can show up Over 500 practice questions and explanations to help you master each topic The most common mistakes students make (so you don’t)
This is the most thorough SAT prep out there. For more sample chapters and information, check out http://thecollegepanda.com/books
Changes from the 1st edition include: Additional chapter on minimum and maximum word problems Ratio questions Function transformations Boxplots Many additional practice questions spread throughout Many revisions to fine-tune the review material to the current SAT Many formatting and typo fixes