The Manhattan Review books are also a good choice for math preparation. The Manhattan Review Math Study and Solutions Guide provides a well-structured and clear and concise approach to targeting all tested concepts in the GMAT Quantitative section. This book presents a great balance between in-depth study instructions and challenging GMAT problems. Its 200-page content covers the extensive topic-by-topic analysis of Arithmetic, Algebra, Geometry, Statistics, Combinatorics, and Word Problems.
Here's a more comprehensive overview of the books:
https://www.manhattanreview.in/en/course ... rials.html If you have any specific questions about our books, don't hesitate to contact us at the number in our sig or through email/pm. Good luck in your studies.