The book "Photovoltaic Systems" by NJATC Staff and J. Dunlop is a comprehensive textbook focusing on technology and engineering related to photovoltaic systems. Published by American Techni-Cal Publishers, it covers various aspects of the industry including construction, electrical systems, power resources, and teaching methods in the field. With 469 pages of content, this trade paperback is a valuable resource for students and professionals in the field of photovoltaic systems, offering detailed information in English to support learning and education.