This book, "New Pathways in Science: Messenger Lectures" by Sir Arthur Eddington, is a valuable addition to anyone's library. It covers various subjects related to science, including the philosophy of science. The book is available in both trade paperback and hardcover formats, with dimensions of 8.5in length, 5.5in width, and 0.8in height. Published in 1935 by The MacMillian Company, this textbook has 342 pages and a weight of 23 oz. It is written in English and is perfect for students or anyone interested in the history of science. With its numerous insights and thought-provoking discussions, this book is a must-read for every science enthusiast.