""Conditions of Life in the Sea"" is a book written by James Johnstone in 1908 that provides a brief overview of quantitative marine biological research. The book explores the various factors that influence the life and growth of marine organisms, including temperature, salinity, light, and food availability. Johnstone also discusses the different methods used to study marine life, such as plankton nets, dredging, and trawling. The book is written...