This text will provide the readers to understand the facts about fire science as well as fire investigation, and its importance in the attainment of a fire disaster-free community. This 3rd edition provides up-to-date information with the inclusion of detailed use of Personal Protective Equipment (PPE) and Self-Contained Breathing Apparatus (SCBA); Natural Cover Fire (Forest Fire) its Strategy and Methods of extinguishment; Fire Ladder; and Building Construction and Design.