The College Board makes the SAT. So every person who wants to prepare the SAT Subject Test in mathematics level 2 should buy one book called "The official SAT Subject Tests in Mathematics Levels 1 & 2." This book covers many the questions of the SAT math level 2 types. After using the book, you may buy some reference books like this book to obtain more chances to practice more the questions of the level 2 types. Success mainly comes from diligence. In most of the schools nowadays, students study multiple subjects in the same period of time. Under such condition, it is impossible to succeed without diligence. If you are not diligent, you then will not have the chance to prove whether or not you are gifted and genius. To save readers' time, this set of books uses the method, at the solution part, of completely replicating the original questions. The purpose of this design is to save time for readers from flipping back and forth through the pages to see the accurate descriptions of the original question. Even though the cost for the books will increase with such design, namely, it will cost you more, yet, it saves you enormous and precious amount of time.