- China, Colin Cheong
- Manatees, by Steven Otfinoski
- The farmer, Wil Mara
- The United States, [written by Nicole Frank and Elizabeth Berg] - (lib. bdg.)
- Florida, Debra Hess, Lori P. Wiesenfeld
- Sea turtles, Trudi Strain Trueit
- Science beats crime, John Perritano
- Kwanzaa, by Trudi Strain Trueit ; reading consultant, Nanci R. Vargus - (hbk.)
- Minnesota, Marlene Targ Brill and Elizabeth Kaplan - (hc.)
- Saber-toothed cat, Marc Zabludoff ; illustrated by Peter Bollinger
- Starfish, Trudi Strain Trueit
- Delaware, David C. King, Brian Fitzgerald - (hc.)
- Sports science, John Perritano
- The silversmith, Wil Mara
- Germany, [Nicole Frank and Richard Lord]
- Japan, [written by Harlinah Whyte and Nicole Frank]
- Jaguars, by Steven Otfinoski
- Secret lives of seashell dwellers, by Sara Swan Miller
- Connecticut, Michael Burgan, Stephanie Fitzgerald - (hc.)
- Hyracotherium, by Marc Zabludoff ; illustrated by Peter Bollinger
- Colombia, David Downing
- Mexico, [written by Leslie Jermyn and Fiona Conboy] - (lib. bdg.)
- New Jersey, David C. King and William A. McGeveran, Jr - (hc.)
- Australia, [written by Peter North and Susan McKay] - (lib. bdg.)
- How do tornadoes form?, by Renee C. Rebman
- Illinois, Claire Price-Groff, Elizabeth Kaplan
- Hyenas, by Gloria G. Schlaepfer
- Aptera, by Tom Warhol
- Sharks, Trudi Strain Trueit
- Spare parts for people, Michael C. Harris
- Sea horses, Trudi Strain Trueit
- Doedicurus, Marc Zabludoff ; illustrated by Peter Bollinger
- Squirrels, by Steven Otfinoski
- Pakistan, [written by Karen Kwek and Jameel Haque]
- Connecticut, Michael Burgan, Stephanie Fitzgerald - (hc.)
- Israel, [by Don Foy]
- Illinois, Claire Price-Groff, Elizabeth Kaplan
- Mastodon, Marc Zabludoff ; illustrated by Peter Bollinger
- Why does it thunder and lightning?, by Darice Bailer
- How do waves form?, by Wil Mara
- Raccoons, by Steven Otfinoski
- Manatees, by Steven Otfinoski
- Louisiana, Ruth Bjorklund, Andy Steinitz - (hc.)
- Secret lives of deep sea creatures, Sara Swan Miller - (hbk.)
- Maryland, Steven Otfinoski, Andy Steinitz - (hc.)
- Why does it thunder and lightning?, by Darice Bailer
- Octopuses, by Trudi Strain Trueit
- Science beats crime, John Perritano
- Why do earthquakes happen?, by Wil Mara
- Secret lives of cave creatures, Sara Swan Miller