This textbook titled "Crossing the Line: The Outrageous Story of a Hockey Original" by Kevin Shea and Derek Sanderson is a must-read for those interested in the subjects of self-help, biography and autobiography, sports and recreation, and medical fields. The book, published by Triumph Books in 2014, is available in trade paperback format and has 400 pages. The authors take the readers on a journey through the world of hockey and sports medicine, while also touching on the subjects of substance abuse and addictions. This book is written in English and weighs 19.2 ounces, with dimensions of 9 inches in length, 6 inches in width, and 1.1 inches in height. "Crossing the Line" is an excellent resource for anyone interested in the topics mentioned above.