The product is the “5 lb. Book of GRE Practice Problems” by Manhattan Prep, featuring over 1,800 practice problems in a book format. Published by Manhattan Prep Publishing, this study guide is part of the Manhattan Prep 5 lb. Series, designed to help students prepare for the GRE exam. With problems in both book and online formats, this resource offers comprehensive practice for test-takers looking to improve their scores. Written in English, this study guide is a valuable tool for anyone looking to enhance their GRE preparation.