The book "Hoosack Tunnel Facts and Figures" by John J. Piper is a study of one of America's most outstanding engineering projects - the construction of the Hoosack Tunnel in Massachusetts. The author reveals all the nuances and important aspects of the creation of this technically complex structure, highlights the history of its construction, the development of technologies, and the challenges facing the engineers of that time. The book helps to enter the unique world of engineering achievements and develop an understanding of how humanity is able to overcome technical challenges.