This book investigates the design, construction, and operational history of the 111 motorships built for the R.M.S.P. Group between 1915 and 1932. Authors Alan S. Mallett and Andrew M. B. Bell draw upon extensive archival research and technical documentation to detail the evolution of these vessels. The work focuses on the specific engineering innovations and commercial contexts that defined this significant fleet during a pivotal era in maritime technology.

This specialized historical account is likely to be highly regarded by maritime historians and naval architecture enthusiasts for its detailed focus on a specific class of vessels. The authors' presumed deep dive into archival records suggests a comprehensive and authoritative treatment of the subject matter. The book's scope indicates it serves as a valuable reference for understanding a particular phase of early 20th-century merchant shipbuilding and operation.