The 2021 NEC NFPA 101 Life Safety Code Paperback is a textbook focused on safety codes related to life safety systems. It is part of the NEC NFPA 101 series published by the National Fire Protection Association. The book is written in English and is targeted at adult learners and those in further education. With a focus on safety-related topics, this textbook is a valuable resource for those studying and working in the field of life safety systems.