Ellen Lawrence

Cooking with Sunshine: How Plants Make Food

Ellen Lawrence

$6.19 - $9.24

Is Sand a Rock?

Ellen Lawrence

$6.39 - $13.79

A Dragonfly's Life

Ellen Lawrence

$4.89 - $9.08

Harpy Eagle

Ellen Lawrence

$9.18 - $13.59

What Is the Rock Cycle?

Ellen Lawrence

$5.89 - $22.68

A Butterfly's Life

Ellen Lawrence

$4.89 - $5.19

How Do People Use Rocks?

Ellen Lawrence

$5.09 - $5.69

Creeping Slime: Slime Molds

Ellen Lawrence

$9.89 - $22.38

Baking and Crushing: A Look at Metamorphic Rock

Ellen Lawrence

$7.99 - $22.68

How Do Volcanoes Make Rock?: A Look at Igneous Rock

Ellen Lawrence

$9.24

North American River Otter

Ellen Lawrence

$8.94

Freaky Plant Facts: Extreme Greens

Ellen Lawrence

$9.24 - $9.99

A Frog's Life

Ellen Lawrence

$6.09 - $6.79

From Bird Poop to Wind: How Seeds Get Around

Ellen Lawrence

$4.69 - $9.24

How Do Water and Wind Change Rock? A Look at Sedimentary Rock

Ellen Lawrence

$8.69 - $22.68

Building with Poop

Ellen Lawrence

$34.59

Dirt or Soil--What's the Difference?

Ellen Lawrence

$5.69 - $26.30

Roseate Spoonbill

Ellen Lawrence

$18.49 - $20.69

A Bird's Life

Ellen Lawrence

$14.49 - $17.39

Seagulls

Ellen Lawrence

$12.29 - $13.99

What Is the Water Cycle?

Ellen Lawrence

$11.49 - $43.49

Poop Detectives

Ellen Lawrence

$9.99 - $11.49

Green Anaconda

Ellen Lawrence

$8.99 - $26.30

What Are Rocks Made Of?

Ellen Lawrence

$18.89 - $22.68

Black Caiman

Ellen Lawrence

$20.89 - $26.30

Motion

Ellen Lawrence

$5.49

Magnets

Ellen Lawrence

$5.39 - $22.68

Dirt

Ellen Lawrence

$6.19

Poisoned Rivers and Lakes

Ellen Lawrence

$39.19 - $43.89

Muskrat

Ellen Lawrence

$9.24 - $26.30