Global Freshwater Biodiversity: Striving for the Integrity of Freshwater Ecosystems by Don E. McAllister, Andrew L. Hamilton and Brian Harvey. Sea Wind 11(3): 1-140. This small book surveys the status of the world's freshwaters and their biodiversity, analyzes the causes of loss of biodiversity and makes recommendations for the conservation of biodiversity and the sustainable use of freshwater biological resources. ORDERING: Cost, if order prepaid, includes surface mailing: $15.00 in Canadian dollars in Canada, in U.S. dollars elsewhere. If order is to be invoiced, add $2.00. Order from: Ocean Voice International, Box 37026, 3332 McCarthy Road, Ottawa, ON K1V 0W0, Canada. by fax: (613) 521-4205, e-mail: mcall@superaje.com