My recommendation [in the order of priority]-
1. Official guide
2. Supplements to the official guide
3. Cambridge [now called ARCO]
4. GMAT official CD
I didn't use Manhattan. Princeton is pretty weird....all it teaches you to do is plug and not think like some Joe Blogg.....This was not helpful. You don't have a lot of time in the exam to play around plugging in different answer choices......unless ofcourse, you are Einstein...
I got a score of 700 with the above study material. It worked for me, not sure if it will work for you.....do a diagnostic test and you will find out where u stand.
[quote="thichtomo"]i'm a new beginer studying GMAT. I've colectted a lots of materials but i don't know where I should begin. My goal is over 700. Pls help me.[/quote]