The Biology of Mangroves and Seagrasses.Second Edition.Biology of Habitats.ByPeter J Hogarth. Oxford and New York: Oxford University Press. $120.00 (hardcover); $54.95 (paper). x + 273 p; ill.; index. ISBN: 978-0-19-856870-4 (hc); 978-0-19-856871-1 (pb). 2007.