Origin, composition, structure and development of the initially hydride Earth. "This book sets out a fundamentally new concept of the origin, structure and development of the Earth and other planets of the earth group, and also discusses the consequences that may be interesting in practical terms. To reduce the volume of this book, it almost completely lacks controversy with other hypotheses and concepts. I hope that the knowledgeable reader will be able to match all the pros and cons himself. " V. N. Larin