One of the American Heart Association monograph series (No. 17), this is the proceedings of conference held January 25 to 27 in Canberra. The 45 contributors are from Australia, the United Kingdom, New Zealand, Canada, Sweden, and the United States. Adequate abstracts precede each article. The book contains an in-depth discussion of the chemistry and physiology of catecholamines, liberally illustrated with references through 1966.