The "17A Standard for Wet Chemical Extinguishing Systems 2017 PAPERBACK" is a technical textbook authored by the National Fire Protection Association (NFPA). Published in 2017 in the United States, this book is designed for adult education and further education levels, focusing on safety as its subject. Written in English, this trade paperback is a valuable resource for individuals looking to understand and comply with the guidelines and standards for wet chemical extinguishing systems.