DARWIN'S ISLANDS, A Natural History of the Galapagos, Ian Thorton, 1971
GALAPAGOS, A NATURAL HISTORY GUIDE, M.H. Jackson, 1990
KEY ENVIRONMENTS, GALAPAGOS, R. Perry. 1984

GALAPAGOS, Back to Nature, Steve W.K. Lu (photos only), 1995
GALAPAGOS, ISLANDS BORN OF FIRE, Tui de Roy, 1998

RESTORING THE TORTOISE DYNASTY, Godfrey Merlin, 1999
THE EVOLUTION OF JANE, Cathleen Schine, 1998

Ecuador & the Galapaos Islands, Lonely Planet
The Traveler's Guide to the Galapagos Islands, Barry Boyce