Laura Perdew – författare

Incredible Machines! The Physics of Simple Machines

Grassland Biomes

The Wildlife Watching Encyclopedia

Droughts

Spotting Birds

Your Sustainable World

A Kid's Guide to Everyday Choices that Help the Planet!

California Drought

Mammals

Birdbrain: Are Birds Dumb?: Are Birds Dumb?

Eagle-Eyed: Are Eagles Sharp-Sighted?: Are Eagles Sharp-Sighted?

WATERWALKING SIDEWINDING & OTHER REMARKA

Stink Fights, Earwax, and Other Marvelous Mammal Adaptations

SUN

EARTH

EARTH

MOON

MOON

STARS

Climate Crisis in the Northeast

Climate Crisis in the Northeast

TOUR THE TUNDRA

Keystone Species: Meet the Animals Key to Ecosystem Health and Biodiversity with Hands-On Science Activities for Kids

Wacky Contraptions: Gadgets That Whiz, Whoosh, Whirl, and Twist with Hands-On Engineering Activities

Wacky Contraptions: Gadgets That Whiz, Whoosh, Whirl, and Twist with Hands-On Engineering Activities

The Ocean: Explore a Watery World with Hands-On Science Activities for Kids

Information Literacy in the Digital Age

Dolphin Pods

Beaver Colonies

Dolphin Pods