The proposed book gives a good idea of the main problems and methods of classical celestial mechanics and does not require any special knowledge from the reader, except for acquaintance with the elements of mathematical analysis and mechanics. A large number of diverse tasks will help a thoughtful reader to better understand the proposed material and can give good skills for independent work. From the foreword: The need for a second edition of this book has given rise to its complete revision. The general plan of the book is the same , As in the first edition , As it turned out , that it satisfies a real need not only in this country, for students whose book was originally written by , but also in Europe , Despite all the temptation, its elementary nature has been preserved. and it is not greatly expanded. Many improvements have been made, partly on the advice of a number of astronomers and mathematicians, and we hope that it is more worthy of the approvals that have been received so far.