Firefly & Fern

Timothy L. Biel, Wildlife Education Ltd, John Bonnett Wexo

Ages 8–12wildlifearctic habitats

Jonathan Grupper

Ages 4–10marine lifeocean ecosystems

Susan Saunders

Ages 5–9survivalnature

Hehner, Barbara Hehner

Ages 4–8prehistoric animalspaleontology

Ruth Heller

Ages 3–8naturecamouflage

William B. Rice

Ages 8–12wildlife conservationendangered species

Rick Wilkinson

Ages 6–12animal adaptationnature

Kathy Feeney

Ages 8–12animal adaptationnature

Thom Holmes, Laurie Holmes

Ages 9–12dinosaursprehistoric life

Ages 6–9habitatsecosystems

Rebecca E. Hirsch

Ages 7–12animal adaptationsurvival

John Townsend

Ages 6–10animalsnature

Lynn M. Stone

Ages 5–9animal adaptationwings and flight