Handsome copy of this important book. With diagrams and two portrait of the Author Frome the Preface - “The present book is intended, as far as possible, to give an exact insight into the theory of relativity to those readers who, from a general scientific and philosophical point of view, are interested in the theory, but who are not conversant with the mathematical apparatus of theoretical physics." A. Einstein. Item Description An authorized translation by Robert W. Lawson. A frontispiece portrait of the Author by German Artist Hermann Struck. With several diagrams, equations within the text. Published by Crown Publishing, Inc., New York 1961. Publishers’ original black cloth with gilt lettering to spine. Contents include: Part I, The Special Theory of Relativity Part II, The General Theory of Relativity Part III, Considerations on the Universe as a Whole Appendices. Preface, Bibliography and Index. Book Dimensions: 21 x 14 cm and Number of Pages: 164 including index Condition External covers are clean and in nice shape. No names or inscriptions. The book has a firm binding with no hinge weakness and the text block is very clean with only few light foxing marks to first blank free endpaper pages and top page edges (Please see pictures).