The "1221 Standard for the Installation Maintenance 2019 PAPERBACK" is a textbook authored by the National Fire Protection Association (NFPA). Published by the NFPA, this trade paperback focuses on education and reference within the subject area of general maintenance. With a publication year of 2018, this book is written in English and offers insights on installation and maintenance standards, providing valuable information for those interested in the field. The book measures 10.9 inches in length and 8.5 inches in width, making it a practical and informative resource.