“Quantum Chemistry and Spectroscopy” by Thomas Engel is a comprehensive textbook covering the topics of spectroscopy, quantum theory, and physical chemistry. Published by Pearson Education in 2012, this revised edition includes 528 pages of valuable content in English language. The book delves into the principles of spectroscopy and spectrum analysis, making it a valuable resource for students and professionals in the field of science. With a large size of 11 x 8.6 x 1 inches and weighing 46.4 ounces, this hardcover textbook is a must-have for those interested in the intersection of physics and chemistry.