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Seashore of Southern California (Lone Pine Field Guide)

2007

Butterflies of British Columbia

2006

Animal Tracks of British Columbia (Animal Tracks)

2003

Animal Tracks of Mississippi & Louisiana (Animal Tracks Guides)

2002

Animal Tracks of Kentucky & Tennessee (Animal Tracks Guides)

2002

Animal Tracks of the Carolinas (Animal Tracks Guides)

2002

Animal Tracks of Nevada and the Great Basin (Animal Tracks Guides)

2002

Animal Tracks of New Jersey (Animal Tracks Guides)

2002

Animal Tracks of Florida, Georgia & Alabama (Animal Tracks Guides)

2001

Animal Tracks of the Appalachians (Animal Tracks Guides)

2001

Animal Tracks of Maryland, Delaware & Virginia (Animal Tracks Guides)

2001

Animal Tracks of New England (Lone Pine Field Guides)

2000

Animal Tracks of Texas (Animal Tracks Guides)

2000

Seashore of Northern and Central California

1999

Animal Tracks of Alaska (Animal Tracks Guides)

1999

Animal Tracks of Northern California (Animal Tracks Guides)

1998

Animal Tracks of Southern California (Animal Tracks Guides)

1998

Animal Tracks of Ontario (Animal Tracks Guides)

1998

Animal Tracks of Arizona & New Mexico (Animal Tracks Guides)

1998

Seashore of the Pacific Northwest

1998

Seashore of British Columbia (Lone Pine Field Guides)

1998

Animal Tracks of the Rockies (Animal Tracks Guides)

1997

Animal Tracks of Washington and Oregon (Animal Tracks Guides)

1997

Animal Tracks of the Great Lakes (Animal Tracks Guides)

1997