A Simple Field Guide to Sabotage is a document issued by the US Office of Strategic Services during World War II. This book preserves advice and recommendations on the inaccessibility of military facilities and important production enterprises of the enemy by means of the most simple and inconspicuous acts of sabotage. In addition to technical and tactical aspects, the manual also considers psychological approaches to the destruction of enemy resources and important objects. Thanks to these tips, the reader can join the underground and resistance against the occupation regime using simple but effective methods of sabotage. "A Simple Field Guide to Sabotage" is not only a set of practical advice, but also a document that testifies to spiritual strength and readiness to fight for freedom and independence.