BiblioVault may have an electronic file which would meet your requirements for this title:
Freshwater Ecoregions of Africa and Madagascar: A Conservation Assessment
Michele L. Thieme, Robin Abell, Neil Burgess, Neil World Wildlife Fund, Bernhard Lehner, Eric Dinerstein, David Olson, Guy Teugels, Andre Kamdem-Toham, Melanie L. J. S. Stiassny and Paul Skelton
Cloth: 978-1-55963-365-9
Electronic: 978-1-59726-791-5