SAT advice

<p>Hey guys I am a rising junior in a suburban HS. I have a abysmal low gpa, so i am thinking a stellar SAT score would bumb me up a little. I'ts summer, and i want to take the SAT by the end of this year. I just wanna what is the best way to prepare for sat's. what book hsould i buy, and when should i study. etc.. I am hoping to get a score of 2100-2400 by the time i apply for graduatte.</p>