Although the GRE math section is difficult, it is very learnable. GRE Math Bible presents a thorough analysis of GRE math and introduces numerous analytic techniques that will help you immensely, not only on the GRE but in graduate school as well.
Features:
Comprehensive Review: Twenty-three chapters provide the most thorough review of GRE math available.
Practice: Includes 164 examples and more than 600 exercises! Arranged from easy to medium to hard to very hard.
Diagnostic Test: The diagnostic test measures your strengths and weaknesses and directs you to areas you need to study more.
Duals: These are pairs of similar problems in which only one property is different. They illustrate the process of creating GRE questions.
If your target is a 700+ score, this is the book.