Firefly & Fern

Irene M. Franck, David M. Brownstone

Ages 8–12sciencenatural resources

Ages 9–12industryhow things work

Matt Anniss

Ages 10–15musiccareer exploration

Jen Green, Oxford Designers and Illustrators

Ages 7–12agricultureenvironmentalism

E. Boyd Smith

Ages 4–8trainstransportation

Green, Robert, Robert Green

Ages 9–12innovationindustry

Landi Thompson

Ages 6–10communitywork

Ann Love, Jane Drake

Ages 7–12geologynatural resources

Britt Allcroft, Tommy Stubbs, Andrew Brenner

Ages 3–7trainsadventure

Lola M. Schaefer

Ages 4–8innovationinvention

Mitchell, Barbara

Ages 8–12inventioninnovation

Irene M. Franck, David M. Brownstone

Ages 6–12manufacturingnatural materials

Saige J. Ballock-Dixon, Sylvia M. Medina, Joy Eagle

Ages 7–12geographynatural resources