Firefly & Fern

J. E. Bright

Ages 8–12survivaladaptation

Will Osborne, Mary Pope Osborne

Ages 7–12sciencenature

John Malam

Ages 6–12dinosaursgeography

Diagram Group.

Ages 9–12evolutionhuman origins

Elisabetta Dami

Ages 7–12prehistoryadventure

Yvette Barbetti, Gerard Marie

Ages 4–8dinosaursprehistory

Joyce Milton

Ages 5–9naturediscovery

Rex Stone

Ages 7–11adventurediscovery

Jean F. Blashfield, Richard P. Jacobs

Ages 8–14scienceprehistory

Elisabetta Dami

Ages 7–12journalismadventure

Elisabetta Dami

Ages 6–10adventurefamily