This book emphasizes the role of microfungi in biodeterioration, including the deterioration of building materials and foodstuffs, and in biotechnology, including the production of pharmaceuticals and agents for biological control. The second part of the book provides a current description of 34 common mold and yeast species. Each species description is comprehensive, covering general biology, ecology, practical application, damaging effects and the production of specific metabolites, including volatiles.