The fourth edition of a bestseller, this volume lists the formulation, method of preparation, and uses for over 4,000 microbiological media. With 30 percent more entries than the previous editions, the book includes recent information on international collection of microorganisms and expanded information on yeast, algae, and Archaea . The book also contains formulations and uses of media for isolation, culture, identification, and maintenance of microorganisms. The entries are arranged alphabetically by medium name and include synonyms, sources, trademarks, and more.