"Soul of Science" by Daniel Martin Diaz is a signed 2013 hardcover book published by Last Gasp of San Francisco. The book delves into the intersection of art and science, featuring illustrations by the author himself. With a philosophy and social aspects theme, this 128-page monograph explores techniques in drawing and showcases the unique work of American artist Daniel Martin Diaz. The book's dimensions are 10 inches in length, 8 inches in width, and 0.5 inches in height, weighing 29 ounces. A must-have for enthusiasts of art and science.