Sea mammals and reptiles of the Pacific coast.
New York: Collier Books, 1976. Octavo, text illustrations, softcover. More
New York: Collier Books, 1976. Octavo, text illustrations, softcover. More
Anchorage: Alaska Geographic Society, [1978]. Oblong format, colour photographs, softcover. More
New Zealand: Pacific Whale Foundation Press, 1986. Octavo, photographs, signature, softcover. More
Vermont: Chelsea Green Publishing, 2009. Octavo, paperback, colour photographs. Montgomery takes readers on a journey into the Amazon, exploring the river-dwelling dolphin's natural history, chronicling their conservation pressures, unravelling their prehistoric roots. More
New York: Simon and Schuster, 2000. Octavo, colour photographs, dustwrapper. Montgomery takes readers on a journey into the Amazon, exploring the river-dwelling dolphin's natural history, chronicling their conservation pressures, unravelling their prehistoric roots. More
Boston: Houghton Mifflin, 1967. Quarto, text illustrations, worn dustwrapper. More
New York: Dover Publications, 1968. Octavo, text illustrations, sunned spine, softcover. First published 1874. More