FREE SHIPPING! “Speculations on the Fourth Dimension: Selected Writings of Charles H. Hinton” is a textbook published in 1980 by Dover Publications, Incorporated. Written by Charles H. Hinton, the book delves into the subject area of mathematics, specifically focusing on geometry and non-Euclidean concepts. The trade paperback format contains 204 pages and is presented in English, making it accessible to a wide audience interested in exploring the mysteries of the fourth dimension through the works of a prominent author in the field. There’s a embossed corner from previous owner. (Pic)