BMSAB is a reference work aimed at undergraduates, graduate students, researchers, professors and experienced professionals at all levels. About a hundred new genera and 600+ new species have been described per year for each of the last 5 years. The BMSAB is an essential tool for anyone at the forefront of research in microbiology.
Birds of North American will now include the Handbook of Birds of the World, Neotropical Birds, and Bird Families of the World. The world's most comprehensive, detailed, authoritative, and accessible resource on the biology, plumage, and behaviors of every species of birds in the world.