1929
Bibliografía (15 obras)
Lure of the Sea
1996
The Sierra Club guides to the national parks of California, Hawaii, and American Samoa
Padre Island
1991
Off-season
1988
The Sierra Club guides to the national parks of the Pacific Southwest and Hawaii
1984
Yesterday's wings
1982
Monarchs of the mist
Rescue from extinction
1981
The Mormon trek west
1980
Oil spills
1978
Harness the wind
1977
Wonders of seals and sea lions
1976
The sea's harvest
1975
The golden sea
1974
Wonders of a kelp forest
