Ellen Lawrence

Is Sand a Rock?

Ellen Lawrence

$6.39 - $12.29

A Dragonfly's Life

Ellen Lawrence

$4.79 - $9.08

Cooking with Sunshine: How Plants Make Food

Ellen Lawrence

$8.09 - $9.24

Harpy Eagle

Ellen Lawrence

$9.18 - $12.89

What Is the Rock Cycle?

Ellen Lawrence

$7.69 - $22.68

A Butterfly's Life

Ellen Lawrence

$5.89 - $6.19

How Do People Use Rocks?

Ellen Lawrence

$5.09 - $5.69

Creeping Slime: Slime Molds

Ellen Lawrence

$6.39 - $22.38

Baking and Crushing: A Look at Metamorphic Rock

Ellen Lawrence

$7.69 - $22.68

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

Ellen Lawrence

$9.24

North American River Otter

Ellen Lawrence

$8.39 - $8.94

Freaky Plant Facts: Extreme Greens

Ellen Lawrence

$9.24 - $9.99

From Bird Poop to Wind: How Seeds Get Around

Ellen Lawrence

$4.69 - $9.24

Green Anaconda

Ellen Lawrence

$9.09 - $26.30

Poop Eaters

Ellen Lawrence

$10.69

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

A Kangaroo's Life

Ellen Lawrence

$9.24

Dirt or Soil--What's the Difference?

Ellen Lawrence

$17.79 - $26.30

Roseate Spoonbill

Ellen Lawrence

$19.99 - $22.39

A Bird's Life

Ellen Lawrence

$5.19 - $6.29

Seagulls

Ellen Lawrence

$10.39 - $11.89

What Is the Water Cycle?

Ellen Lawrence

$43.49

Poop Detectives

Ellen Lawrence

$9.99 - $11.49

A Frog's Life

Ellen Lawrence

$6.09 - $6.79

What Are Rocks Made Of?

Ellen Lawrence

$18.89 - $22.68

Muskrat

Ellen Lawrence

$9.24 - $26.30

Polluted Oceans

Ellen Lawrence

$7.59

A Wolf S Life

Ellen Lawrence

$14.89 - $18.19

Prickly Plants: Stuck!

Ellen Lawrence

$5.89