About the book: 1981 / The book by Doctor of Geological and Mineralogical Sciences S. V. Meyen contains a popular scientific presentation of some of the main problems of modern paleobotany - the science of the evolution of the plant world Earth, restoring the appearance of our planet in past eras. The position of ancient continents and their movement, climatic conditions, glaciation periods, the settlement of land by plants, the evolution of living organisms - all this is described in a book written on the basis of the latest research and designed for a wide range of readers.