Mayday! Tragedy at Sea James L. Hopp Sinking Of SS Carl D Bradley &SS Cedarville “Mayday! Tragedy at Sea” is a textbook published by James L. Hopp in 2008, focusing on the sinking of the SS Carl D Bradley and SS Cedarville. The trade paperback book delves into the transportation and history of these ships, providing 263 pages of informative content in English. The publication covers a subject area that includes United States history, specifically in the Midwest region, and the challenges and tragedies associated with shipping and shipbuilding.