The 5 lb. Book of GRE Practice Problems by Manhattan Prep is a comprehensive study guide designed to help students prepare for the GRE exam. With over 1,800 practice problems in book and online formats, this 3rd edition resource provides detailed insights and explanations to help test-takers improve their scores. Written in English and published by Manhattan Prep Publishing, this 5 lb. book is a valuable resource for anyone looking to master the GRE exam.