Bibliografía (25 obras)
Horsing Around:
2004
Backyard beasties
Grin and bear it
Let the Fun Begin
More fun with nature
2002
Notes from the Northwoods
2000
Fun with nature
1998
Snakes, Salamanders and Lizards
Plant a garden in your sneaker!
Wildflowers, blooms, and blossoms
1997
Frogs, toads, and turtles
Berries, nuts, and seeds
1996
Trees, Leaves, and Bark (Take-Along Guide)
1995
Snakes, salamanders, and lizards
Cranberries
1994
Home on the range
Rocky Mountain seasons
1993
Sugaring Season
1990
Here's to ewe
Arbor Day
1989
Snakes alive!
1988
Hail to the chief!
Elephants never forget!
1987
