are the different real SAT editions different tests?

Test Preparation SAT Preparation
1

<p>the name says it all, and do you have to buy the answer books seperately?</p>

2

<p>the answers come in the book. im not sure about different editions though.</p>

3

<p>i have no idea…</p>

4

<p>The answers come in the books but there aren’t any answer explanations.</p>