Official Study Guide SAT II 2nd volume any different?

Test Preparation
1

<p>Is the new volume of the Official Guide to the SAT subject tests (the 2nd volume) any different than the first volume. The first and second volumes are seen here at amazon. Also, have the world/us and math I/math II books changed either? Why would collegeboard come out with these new books?</p>

<p>Volume 1: Amazon.com:</a> The Official Study Guide for All SAT Subject Tests (9780874477566): The College Board: Books</p>

<p>Volume 2: Amazon.com:</a> The Official Study Guide for All SAT Subject Tests, 2nd Ed (9780874479751): The College Board: Books</p>

2

<p>the new volume has an added section for the explanation of the correct answers. the questions are the same</p>

3

<p>that’s helpful… (serious)</p>