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Incoming Resources
- Hydroelectric power, by Laura Perdew
- The moon, small-but-mighty neighbor, [Laura Perdew ; illustrated by Shululu]
- Stink fights, earwax, and other marvelous mammal adaptations, Laura Perdew ; illustrated by Katie Mazeika
- Colorado, by Laura Perdew
- Crazy contraptions, build Rube Goldberg machines that swoop, spin, stack, and swivel : with hands on engineering activities, Laura Perdew ; illustrated by Micah Rauch
- Solar power, by Laura Pedrew