Science Comics: Cats: Nature and Nurture

Science Comics: Dogs: From Predator to Protector

Science Comics: Trees: Kings of the Forest

Science Comics: Rocks and Minerals: Geology from Caverns to the Cosmos

History Comics: The American Bison: The Buffalo's Survival Tale

Cómics de ciencia: Perros. De depredadores a protectores

Garfield Vol. 5

Science Comics: Human Spaceflight: Rockets and Rivalry

Science Comics: Electricity: Energy in Action

History Comics: The Transcontinental Railroad: Crossing the Divide

Varmints