Clara MacCarald

The Invention of the Atomic Bomb

Clara MacCarald

$13.09

Turning Poop Into Power Fuel

Clara MacCarald

$12.69

Energy from the Sun

Clara MacCarald

$23.91

The Battle of Inchon: Turning Point of the Korean War

Clara MacCarald

$9.95 - $23.91

Marijuana

Clara MacCarald

$26.49

All About Virtual Reality

Clara MacCarald

$9.95 - $23.45

Becoming an American Citizen

Clara MacCarald

$5.39

Life with Type 1 Diabetes

Clara MacCarald

$9.59

Sophie Scholl Fights Hitler's Regime

Clara MacCarald

$25.25

The Standing Rock Sioux Challenge the Dakota Access Pipeline

Clara MacCarald

$10.99 - $25.74

Hydrogen

Clara MacCarald

$31.98

Nitrogen

Clara MacCarald

$32.92

Silicon

Clara MacCarald

$30.09 - $32.92

Wind Turbine Technicians on the Job

Clara MacCarald

$20.89 - $26.15

Key Consumer Rights Laws

Clara MacCarald

$36.23

Copper

Clara MacCarald

$31.98

Heroin: Affecting Lives

Clara MacCarald

$26.15

Colonizing Mars

Clara MacCarald

$25.74

War in Afghanistan: 12 Things to Know

Clara MacCarald

$37.10

The Battle of Gettysburg: Bloodiest Battle of the Civil War

Clara MacCarald

$23.45

The Invention of the Transistor

Clara MacCarald

$12.29

Irish Immigrants: In Their Shoes

Clara MacCarald

$15.19 - $15.89

Bringing Back Our Deserts

Clara MacCarald

$31.48

Children During the Civil War

Clara MacCarald

$12.79 - $25.25

Children in Japanese American Confinement Camps

Clara MacCarald

$25.25

How Did Robots Land on Mars?

Clara MacCarald

$27.79

The Smartest Animals in the World

Clara MacCarald

$42.67

Endangered Whales

Clara MacCarald

$33.39 - $41.85

The Weirdest Animals in the World

Clara MacCarald

$43.08

Energy from Algae

Clara MacCarald

$23.45