“Pi in the Sky: Counting, Thinking, and Being” by John D. Barrow is a 1992 textbook published by Oxford University Press. This hardcover book explores the subjects of science and mathematics, making it suitable for students and enthusiasts in the fields of life sciences and botany. With a dust jacket and 330 pages, this book delves into the concepts of pi and the nature of thinking and being, making it a valuable resource for those interested in enhancing their understanding of these areas.