Sheila Rivera

Teacher (First Step Nonfiction -- Work People Do)

Ocean (First Step Non-fiction - Habitats, #3) (First Step Nonfiction)

Is It Heavy or Light? (Properties of Matter First Steps)

Desert (First Step Non-fiction - Habitats, #1) (First Step Nonfiction)

Wetland (First Step Non-fiction - Habitats, #4) (First Step Nonfiction)

Forest (First Step Non-fiction - Habitats, #2) (First Step Nonfiction)

Bus Driver (First Step Nonfiction)

Weapons of Mass Destruction

The Media War

Assassination of John F. Kennedy (American Moments)

Bill of Rights (American Moments)

Gettysburg Address (American Moments)

The California Gold Rush (American Moments)

Thunderbird (Ultimate Cars)