- C is for Colorado
- Cabbages and Kings
- Calamities and Cuddles
- California and Other Western Wildfires
- California Indians
- California's Indian Nations
- Californianos que marcaron la diferencia
- Californianos que marcaron la diferencia: Read-along ebook
- Californians Who Made a Difference
- Californians Who Made a Difference: Read-Along eBook
- California’s Indian Nations: Read-along ebook
- Cambiamos el paisaje
- Cambodia
- Campeonas del fútbol mundial
- Campeones del fútbol mundial
- Can We Achieve Gender Equality?
- Can You Sing "The Star-Spangled Banner"?
- Canada
- Canada 123
- Canada Alphabet Book
- Canada and America are Good Friends
- Canada Animals
- Canada in Colours
- Canada's 150th Birthday
- Canadian Women Now and Then
- Candid Tales
- Canta conmigo: La historia de Selena Quintanilla
- Cantaba la rana / The Frog Was Singing (Bilingual)
- Captain Mac
- Caraclasa
- Caribou Are Awesome
- Caring for Earth
- Carlos Santana
- Cartero
- Carver Park
- Casos extremos de luz solar
- Catherine, The Duchess of Cambridge
- Cathy Hughes
- Causes of the Revolution
- Celebrate Constitution Day
- Celebrate Independence Day
- Celebrate Martin Luther King Jr. Day
- Celebrate Memorial Day
- Celebrate Presidents' Day
- Celebrate Veterans Day
- Cemeteries Around the World: English-French Edition
- Cemeteries Around the World: English-Spanish Edition
- Censorship and Privacy
- Cesar Chavez
- Charles Darwin
- Charles Dickens
- Charlotta Bass
- Charting the World
- Che mito! Edipo e l’enigma della sfinge
- Che mito! Il labirinto, il Minotauro e il filo di Arianna
- Che mito! Il tallone di Achille
- Che mito! Romolo e Remo
- Che mito! Ulisse e il gigante Polifemo
- Checks and Balances
- Checks and Balances (Enhanced Edition)
- Chef Roy Choi and the Street Food Remix (Enhanced Edition)
- Cherries-Just Right!
- Chickenology
- Chickens
- Chicks!
- Chicks! Read & Listen Edition
- Chief Joseph: Leader of the Nez Perce: A 15-Minute Book
- Child of the Civil Rights Movement
- Children of Other Lands
- Children of the First People
- Children of the Tipi
- Children of War
- Chile
- Chile (Enhanced Edition)
- Chilling Ancient Curses
- Chilling Cemeteries
- Chimpanzees Are Awesome!
- China
- China Through Time
- Chinese New Year
- Chocolate Mixer
- Christian Pulisic
- Christmas
- Naughty or Nice Read-Along
- Christopher, Blå Fagklub
- Cinco de Mayo (Enhanced Edition)
- Cinderella Stories Around the World
- Citizen Baby: My Congress
- Citizen Baby: My President
- Citizen Baby: My Supreme Court
- Citizen Baby: My Vote
- City Animals
- City Animals Around the World
- City Council Member
- City Trains
- Civic Unrest
- Civics (American Government & Symbols)
- Civics (Government Personal / Local)
- Civil Rights Movement
- Clancy of the Overflow (The Matilda Saga, #9)
- Clap Your Hands
- Clap Your Hands Educator's Guide
- Clara
- Classified
- Cleopatra Rules!
- Climate Change
- Climate Rebels
- Clothes in Many Cultures
- Clothing in Different Places
- Clothing: Learn Basic Spanish to English Words
- Coast Salish, Coastal Rainforests and Cougars
- Cocoa Girl Awesome Hair
- Coisas de índio
- Cold War Leaders
- Coisas de índio
- Cold War Leaders
- Colombia
- Colorful Curly Haired Crafts for Kids
- ColorFull
- Colors
- Colors On Our Papers/Rangi Za Makaratasi Yetu
- Colors: Learn Colors in English and Spanish Book for Kids
- Come Out and Play
- Come Together, Change the World
- Coming Home
- Communicate! World Leaders Speak
- Communicate!: World Leaders Speak: Read-along ebook
- Communication Past and Present
- Communication Then and Now
- Communities
- Communities Then and Now
- Community Helpers at a Fire
- Community Helpers at the Construction Site
- Como saber se sou de esquerda ou de direita?
- Complete Homeschool Social Science
- Comprendre la laïcité
- Construction Worker Tools
- Construction Workers in My Community
- Construire un canot
- Construye: Rascacielos
- Continents
- Continents of the World
- Controlling Florida: Colonization to Statehood
- Cookie Monster's Foodie Truck
- Cool City
- Cool Kids Changing the World
- Copain de l'écologie
- Copain des geeks
- Corazon Aquino
- Corbeau rapporte la lumière du jour
- Coronavirus Vs Trump
- Count To Sleep California
- Count To Sleep Chicago
- Count To Sleep Florida
- Count To Sleep Maine
- Count To Sleep Massachusetts
- Count To Sleep Michigan
- Count To Sleep Minnesota
- Count To Sleep New Jersey
- Count To Sleep New York City
- Count To Sleep San Francisco
- Count To Sleep Seattle
- Count To Sleep St. Louis
- Count To Sleep Texas
- Count to Sleep Washington, DC
- Count To Sleep Wisconsin
- Count To Sleep Yosemite
- Count with Me -- 1 to 10
- Counting in Carrier
- Counting in Mi'kmaw / Mawkiljemk Mi’kmawiktuk