In 'Facts and Figures Concerning the Hoosac Tunnel' by John J. Piper, the author delves into the intricate details surrounding the construction of the famous Hoosac Tunnel in Massachusetts. Piper provides a comprehensive overview of the engineering feats, challenges faced, and the historical significance of this monumental project. This book is a valuable resource for those interested in the intersection of technology, history, and infrastructure development in the 19th century. Piper's writing style is meticulous and well-researched, offering readers a deep insight into the complexities of tunnel construction during that era. The book is a blend of technical information and storytelling, making it both informative and engaging for a wide range of readers. John J. Piper's expertise in civil engineering and historical research shines through in this meticulously crafted account of the Hoosac Tunnel. His passion for the subject is evident in the thorough examination of the tunnel's construction process and its lasting impact on American engineering history. I highly recommend 'Facts and Figures Concerning the Hoosac Tunnel' to anyone interested in the fascinating intersection of innovation, history, and infrastructure development.