Bibliografía (13 obras)
Doing what scientists do
2010
The practice of nature-study
2002
Life at the Top
2000
What's a teacher to do?
1999
Kids & science
1996
Meet the Arthropods (Real Kids Real Science Books)
Meet the arthropods--
Ornithology
1994
Woods, ponds, & fields
Entomology
1993
Marine biology
Invertebrate zoology
1991
