"Schaum's Outline of Geometry" by Barnett Rich and Christopher Thomas is a revised edition textbook published by McGraw-Hill in 2018. This paperback book, part of the Schaum's Outline Ser., provides a comprehensive overview of geometry concepts in English language. Written by the authors Barnett, Barnett Rich, and Christopher Thomas, this book serves as an essential resource for students and professionals in the field of geometry, offering a clear and detailed explanation of geometric principles and theories.