Ocean: Reflections on a Century of Exploration by Wolf H. Berger (Author) January 1970 eBook $63.00, £53.00
Encyclopedia of Tidepools and Rocky Shores by Mark W Denny (Editor), Steve Gaines (Editor) January 1970 eBook $99.95, £84.00
Whales, Whaling, and Ocean Ecosystems by James A. Estes (Editor), Douglas P. DeMaster (Editor), Daniel F. Doak (Editor), Terrie M. Williams (Editor) January 1970 eBook $85.00, £71.00
Giant Pandas: Biology and Conservation by Don Lindburg (Editor), Karen Baragona (Editor) January 1970 eBook $74.95, £63.00