Book excerpt: Salmonella remains a major cause of economic loss in domestic livestock and human food poisoning worldwide. In the last 10 years there have been major advances in understanding the salmonella organism, meaning a compiled source of the new research is urgently needed. With fully updated chapters and new coverage of genome structure, virulence, vaccine development, molecular methods for epidemiology and exotics, this second edition is an invaluable resource for researchers of animal and human health.