This book is aimed at all citizens who carry or wish to acquire a gas or blank-firing weapon for self-defense. In addition to an overview of the various types of weapons, it provides information on ammunition and weapon handling. Training with the weapon and its applications in various emergency situations are discussed in detail. The treatment of legal and psychological aspects of self-defense, along with an overview of current gun laws, completes the discussion. Thus, it offers a practical summary of the topic that has not been available in this form before and is essential for every gas weapon owner.