SAT US History prep books

Hi everyone, I am preparing for the October SAT Subject Test and I was wondering what books are you guys using to prepare for US History. I need a comprehensive book that covers everything that is tested, as I can’t take any US History courses(international student). My knowledge right now is very limited, but I have the whole summer to study and I’m aiming for a 700+. Right now I own Barron’s for and also History of the United States by Charles Austin Beard. Any other books? Tips for self studying this subject? Pretty please

Come on people, I need ur help!!

Check the forum dedicated to SAT Subject Tests preparation.

http://talk.collegeconfidential.com/sat-subject-tests-preparation/1785759-official-sat-subject-test-us-history-2015-16.html#latest

barron’s is good