Bibliografía (27 obras)
Isles of Amnesia
2016
Vultures (First Book)
2003
Parrots Around the World
Chickens and peafowl
2001
Parrots Around the World (Animals in Order)
2000
Isles of Refuge
Golden Eagles of Devil Mountain
Raptors
Golden eagles of Devil Mountain
The sky's the limit
1999
Hummingbirds
1997
Hummingbirds (First Books - Animals)
Parrots (First Book)
Seabirds (First Book)
Vultures
Vultures (First Books - Animals)
Seabirds (First Books--Animals)
Parrots
1996
Seabirds
Feet, flippers, hooves, and hands
1994
Eyes and ears
Water, water everywhere
Horns, antlers, fangs, and tusks
1993
Skin, scales, feathers, and fur
Jungles
1992
Birds of North America
1987
Catch a comet by the tail
1985
