Irrigated Taro (Colocasia esculenta) in the Indo-Pacific: Biological, Social and Historical Perspectives. Matthew Spriggs, David Addison, and Peter J. Matthews, eds. Osaka, Japan: National Museum of Ethnology, 2012. xvi and 363 pp.; maps, diagrs., ills. [no price] (ISBN 978-4-901906-93-7).