Very Low score aid: Can somebody help me with the books I have

<p>I have
Princeton Review 2012 cracking the SAT
Collegeboard Blue book with dvd (10 tests)
Barron's SAT 26th edition
Barrons CR
BArrons MATH
Barrons Writing
Princeton Review practice tests 2008 11 practice test with PSAT
Gruber's complete SAT guide
Kaplan Premier 2011
Rank from easiest to hardest
or which I should start first
I wanna do well but I am sadly unable to fathom difference between them and i get confused with all the books
i score around 480 on CR 640 M and 600 W :(
Essay:9
Composite score: 1720
I need help
I have only taken it once... I need big help im stuck</p>