The book Lighthouses and Lightboats: A Description of History and Construction by William Henry Davenport Adams is an important source of information about lighthouses and lightboats. It describes in detail the history of the origin, foundation and structure of these marine structures. The author talks about how they were used in the past, how they are organized and how they affect the safety of shipping. The book "Lighthouses and Lightships" gives the reader an opportunity to better understand how lightships help sailors navigate the sea and avoid dangers. Thanks to detailed descriptions of the structure of lighthouses and light sloops, the book becomes a useful source of knowledge for anyone interested in maritime architecture and the history of navigation.