EXCELLENT CONDITION, NO REAL ISSUES. The product is a textbook titled “Principles of Cosmology and Gravitation” by M. Berry. Published by Cambridge University Press in 1976, this hardcover book explores the subjects of cosmology and gravity. With 189 pages, it covers the principles of these areas in depth, making it an excellent resource for students and professionals interested in the fields of science. Written in English, this textbook is a valuable addition to any collection focused on the study of the universe and its laws.