The DEIR (Further Energy and Information Development) skill system is a holistic practical system for achieving harmony and health. Developed and described by researcher Dmitry Verishchagin in the late eighties, it currently enjoys well-deserved popularity among hundreds of thousands of people in Russia and abroad who practically own it. It is based on conscious techniques for managing a person’s personal and group psychoenergy, which have enormous potential and impressive effectiveness. This book, if mastered, will teach you how to manage your own state and make it independent of outside influences.