Field Guide to Plant Galls of California and Other Western States

2007

Mountain State Mammals

A Guide to Mammals of the Rocky Mountain Region

1991

Pacific Coast Fish

A Guide to the Marine Fish of the Pacific Coast of North America

1990

Pacific Coast Mammals

A Guide to Mammals of the Pacific Coast States, Their Tracks, Skulls and Other Signs

1987

Pacific Intertidal Life

A Guide to Organisms of Rocky Reefs and Tide Pools of the Pacific Coast

1981