Heather C. Hudak

Earth's Underground Structures (Underground Worlds)

My New Home After Yemen (Leaving My Homeland: After the Journey)

Returning to Guatemala (Leaving My Homeland: After the Journey)

Forensic Investigations of the Ancient Greeks (Forensic Footprints of Ancient Worlds)

Forensic Investigations of the Ancient Chinese (Forensic Footprints of Ancient Worlds)

Dynamic Website Developers (It's a Digital World!)

Gifted Game Designers (It's a Digital World!)

Amazing App Developers (It's a Digital World!)

Helpful Hackers (It's a Digital World!)

Creative Podcast Producers (It's a Digital World!)

It's a Digital World! (Set) (It's a Digital World!)

Rosa Parks Stays Seated (Perspectives on American Progress)

The Internet Connects Us All (Perspectives on American Progress)

Food Dudes Set 3 (Set) (Food Dudes Set 3)

Henri Nestle: Food Company Creator (Food Dudes Set 3) (Food Dudes)

The Smucker Family: Jelly Pioneers (Food Dudes Set 3) (Food Dudes)

Oscar F. Mayer: Hot Dog Manufacturer (Food Dudes Set 3) (Food Dudes)

S. Truett Cathy: Chick-Fil-A Founder (Food Dudes Set 3)

Henry John Heinz: Ketchup Developer (Food Dudes Set 3) (Food Dudes)

Henri Nestlé Food Company Creator (Food Dudes Set 3)

Sam J. Porcello: Oreo Innovator (Food Dudes Set 3)

Exploring Our Universe (Set) (Exploring Our Universe)

Military Technologies (Set) (Military Technologies)

Technology During the Vietnam War (Military Technologies)