- Cactus
- Caesar the War Dog 3: Operation Pink Elephant
- Caliente y frío
- California and Other Western Wildfires
- California Sea Lions
- Cambiamos el paisaje
- Cambiando nuestro medio ambiente
- Cambio climático
- Camels
- Camels Close Their Noses
- Camels Have Humps
- Camouflage: Changing to Hide
- Can an Aardvark Bark?
- Can We Save the Tiger?
- Can You Hear The Trees Talking?
- Can You Say Bacteria?
- Can You See a Chimpanzee?
- Can You See Me?
- Can You Solve These Animal Mysteries?
- Canals and Dams
- Canals and Dams!
- Candy Experiments 2
- Capitan Papaia e Greta
- Características geográficas
- Cardboard
- Cardboard Creations for Kids
- Cardinals
- Cardiology FOR KIDS ...and Adults Too!
- Caribou Are Awesome
- Carlos Gets the Sneezes: Exploring Allergies A Branches Book (The Magic School Bus Rides Again #3)
- Carlsens Klogebøger - Monstre
- Carlsens Klogebøger - Rummet
- Carlsens Klogebøger - Vildt vejr
- Carnival of the Animals
- Carnivorous Plants : The Hunt. A one way ticket to the death!
- Carolina's Story
- Carrot
- Carrots Like Peas
- Castillos de arena
- Catfish Clues
- Catfish, Cod, Salmon, and Scrod
- Catfish, Cod, Salmon, and Scrod (Enhanced Edition)
- Cats
- Cats, Cats, Cats!
- Cats, Dogs, Hamsters, and Horses
- Caught in the Rapids
- Cave Crawlers
- Ce monde affamé d'énergie
- Celebrating Louisiana
- Cell Scientists: Discovering How Cells Work
- Cells
- Cellular Biology: Organelles, Structure, Function
- Centipedes and Millipedes
- Centrally Heated Knickers
- Chambers's Elementary Science Readers
- Chameleons Change Color
- Chameleons: Color Changing Lizards
- Changes on Earth
- Changing Earth
- Changing Habitats
- Changing Matter in My Makerspace
- Changing Seasons
- Changing Water
- Changing Water (Enhanced Edition)
- Changing Weather
- Changing Weather: Storms
- Charles Darwin
- Charles Darwin And Evolution
- Charles Darwin and His Magic Barrel
- Charles Darwin's On the Origin of Species
- Charlie and Kiwi
- Charlotte's Bones: The Beluga Whale in a Farmer's Field (Tilbury House Nature Book)
- Chasing Bats and Tracking Rats
- Chasing Comets, Asteroids, and Mysterious Space Objects
- Checker Tobi - Der große Gefühle-Check: Freude, Wut, Traurigkeit – Das check ich für euch!
- Cheetahs (Enhanced Edition)
- Chemical Reactions
- Chemical Reactions!
- Chemistry
- Chemistry for babies
- Chemistry: The Atom and Elements
- Chemists in Action
- Chickens Don't Fly
- Children of the Universe
- Children's Book: "Book of Plants"
- Children's Book: "Many colourful vegetables"
- Chimpanzees
- Chomp: A Shark Romp
- Choose to Reuse
- Choose to Reuse (Enhanced Edition)
- Cicadas!
- Ciencias de la Naturaleza 2º
- Circle and Sphere: A Learning Shapes Book
- Citizen Scientists
- City Animals Around the World
- City Hawk
- City Streets Are for People
- Círculos de misterio
- Clam-I-Am! All About the Beach
- Clang!
- Classified
- Clean Sweep! Frank Zamboni's Ice Machine
- Cleaning Our School
- Cleaning Water
- Clever Creatures
- Clever Hans
- Clever Max - Read Aloud Version
- Climate
- Climate Action: What Happened and What We Can Do
- Climate Change
- Climate Change and Air Quality
- Climate Change and Energy Technology
- Climate Change and Extreme Storms
- Climate Change and Life on Earth
- Climate Change and Rising Sea Levels
- Climate Change and Rising Temperatures
- Climate Change Eco Facts
- Climate Change for Babies
- Climate Emergency Atlas
- Climate Rebels
- Climbing and Diving
- Clot & Scab
- Clot & Scab (Enhanced Edition)
- Clouded Leopards
- Clouds
- Clown Fish
- Clown Fish: Friends of the Stinging Anemone
- Clucky in the Garden of Mirrors
- Clucky the Hen
- Coast Salish, Coastal Rainforests and Cougars
- Cocoa Girl Awesome Hair
- Coelophysis
- Coldest Places on the Planet
- Colección biblioteca de Hogwarts
- Collecting Data
- Colors
- Colors Are Nice
- Colors in Nature
- Com és la teva energia?
- Come un albero
- Comer saludable
- Comida para llevar
- Comment tout peut changer
- Comment une étrange chenille devient un merveilleux papillon
- Communiquer aujourd'hui - Questions/Réponses - doc dès 10 ans
- Como a lagarta curiosa se tornou uma bela borboleta
- Comprehensive A - Z Science Vocabulary
- Comprender el calentamiento global con Max Axiom, supercientífico
- Condensation
- Coniferous Forests