The product is the first edition hardcover book “The Physical Foundations of General Relativity” by D. W. Sciama, published in 1969 by Doubleday & Company, Inc. It is part of the Science Study Series and is intended for adult audience. The book delves into the topic of general relativity in physics, with an original English narrative and modernist literary movement. Illustrated by Joyce A. Lake, this vintage textbook features a dust jacket and has a size of 6.25 inches in length, 9.25 inches in height, and 1.25 inches in width, weighing 16 ounces.