The book "Recent Heat Engines" offers a comprehensive analysis and detailed description of various heat engines, including steam engines, steam turbines, and gas engines. It is aimed at professionals and enthusiasts in the fields of mathematics and natural sciences, highlighting current developments in heat engine technology. With 87 illustrations and a plate, the topic is presented in a clear and understandable manner. The content is summarized over 115 pages, providing both theoretical and practical insights into the operation and applications of these machines. The 2018 reprint in paperback format allows for easy handling and accessibility for readers.