Third Edition A really good manual for diesel engine maintenance, repair and troubleshooting. Comprehensive without being overwhelming, the book covers everything from the basic principles of diesel engine operation through to fairly advanced repairs, and also engine selection and installation. A useful alternative to Calder's encyclopedic "Mechanical and Electrical Manual" if you want an in-depth book on diesels but, like me, your boat is too small to require the chapters on air conditioning units and bow thrusters...