Author
Hartmann, April
2
Larsen, Doris
2
Powers, Julie, 1957-
2
Ridge, Sheila Williams,
2
Vestuto, Rhoda Orszag
2
Arnosky, Jim
1
Basile, Carole G., 1958-
1
Bledsoe, Karen E.
1
Chicko, Joe,
1
Chicko, Terri,
1
Collins, Fred, 1949-
1
Cornell, Joseph Bharat
1
Criswell, Susie Gwen
1
Danks, Fiona
1
Gillespie-Malone, Jennifer, 1949-
1
Hana and Arthur Ginzbarg Nature Discovery Center
1
Hickman, Pamela M.
1
Hill, Caroline Marshall,
1
Honig, Alice S.,
1
Jankowski, Krista L.,
1
Lachecki, Marina
1
Macdonald, Sharon
1
Milord, Susan
1
Mogensen, Suzanne
1
Mohrmann, Gary
1
National Science Teachers Association
1
NetLibrary, Inc
1
Norvell, Candyce
1
Olson, Carolyn, 1957-
1
Petrified Forest National Park (Agency : U.S.),
1
Potter, Jean, 1947-
1
Raham, Gary
1
Russell, Helen Ross, 1915-
1
Schofield, Jo
1
Scholastic Inc
1
Shevick, Edward
1
Stebbins, Robert C. 1915-2013
1
Warren, Jean, 1940-
1