Manhattan GMAT 2009 – Full 8 ebooks:
Link: http://vietmba.com/showthread.php?t=4072

McGraw Hill GMAT 2010 Edition
Link: http://vietmba.com/showthread.php?t=2860

Link download 1:

http://depositfiles.com/en/files/8kc0ab95q

Link download 2:

http://www.4shared.com/file/189434655/df2039dc/1889057541_GMAT_Data_Sufficien.html

Comprehensive Prep for GMAT Data Sufficiency

Every year, students pay $1,000 and more to test prep companies to prepare for the math section of the GMAT. Now you can get the same preparation in a book.
Although data sufficiency problems are difficult, they are very learnable. GMAT Data Sufficiency Prep Course presents a thorough analysis of GMAT math and introduces numerous analytic techniques that will help you immensely, not only on the GMAT but in business school as well.

Features:
– Comprehensive Review: Twenty-four chapters provide the most thorough review of data sufficiency math available.
– Practice: Includes 196 examples and more than 205 exercises!
– Performance: If your target is 700+ score, this is the book.

GMAT Math Bible – Nova

Link download:

http://www.4shared.com/file/190148423/8b8f6916/1889057509_GMAT_math_Bible.html

Comprehensive Prep for GMAT Math Every year, students pay $1,000 and more to test prep companies to prepare for the math section of the GMAT. Now you can get the same preparation in a book. Although the GMAT math section is difficult, it is very learnable. GMAT Math Prep Course presents a thorough analysis of GMAT math and introduces numerous analytic techniques that will help you immensely, not only on the GMAT but in graduate school as well.
Features:
Comprehensive Review: Twenty-three chapters provide complete review of GMAT math.
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.