Which one is the "OFFICIAL" prep book?

Test Preparation SAT Preparation
1

<p>There are so many prep bools, and the throew stuff like “made by real SAT makers” all over the place. SO which one is the REAL one that offers REAL, OLD SAT tests and not “sample tests”?</p>

2

<p>The big blue book, that looks like this -> <a href=“Store App”>Store App;