Know Your Ships 2018: Field Guide to Boats and Boatwatching on the Great Lakes and St. Lawrence Seaway by Roger LeLievre

The 59th edition of this annual volume offers the lowdown on nearly 1,500 U.S., Canadian and international-flag vessels that sail the inland seas, including owner and port of registry, vital statistics and former names. The book also includes dozens of photographs of vessels present and past, and seven pages of colorful stack markings / flags of Great Lakes & Seaway fleets.