Book excerpt: The production of chemicals from microalgae is becoming a significant area of biological research. Chemicals from Microalgae seeks to cover the various aspects that relate to the use of microalgae as a source of chemicals. The chapters discuss the occurrence and physiological role of these chemicals and concentrates on the methods aimed at enhancing their content, as well as large-scale algal biomass production and down-stream processing. This work, written by one of the true pioneers in the field describes the major algal chemicals of interest, namely pigments and lipids.