- Cambiando nuestro medio ambiente
- Cambio climático
- Camels Have Humps
- Can an Aardvark Bark?
- Can You Hear The Trees Talking?
- Can You Say Bacteria?
- Can You See a Chimpanzee?
- Can You See Me?
- Canals and Dams
- Canals and Dams!
- Características geográficas
- Cardboard
- Cardboard Creations for Kids
- Cardiology FOR KIDS ...and Adults Too!
- 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
- Carrots Like Peas
- Castillos de arena
- Catfish, Cod, Salmon, and Scrod
- Catfish, Cod, Salmon, and Scrod (Enhanced Edition)
- Cats, Cats, Cats!
- Cats, Dogs, Hamsters, and Horses
- Cell Scientists: Discovering How Cells Work
- Cells
- Cellular Biology: Organelles, Structure, Function
- Centrally Heated Knickers
- Chambers's Elementary Science Readers
- Chameleons Change Color
- Chameleons: Color Changing Lizards
- Changes on Earth
- Changing Earth
- Changing Habitats
- Changing Land
- Changing Water
- Changing Water (Enhanced Edition)
- Changing Weather
- Charles Darwin And Evolution
- Charles Darwin and His Magic Barrel
- Charles Darwin's On the Origin of Species
- Charlie and Kiwi
- Charlie and Lola: Look After Your Planet
- Chemical Reactions
- Chemical Reactions!
- Chemistry
- Chemistry for babies
- Chemistry: The Atom and Elements
- Chew on This
- Chickens Don't Fly
- Children of the Universe
- Children's Book: "Book of Plants"
- Children's Book: "Many colourful vegetables"
- 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
- Classified
- Clean Sweep! Frank Zamboni's Ice Machine
- Clean Up!
- Cleaning Our School
- Clementine Rose and the Pet Day Disaster
- Clever Hans
- Clever Max - Read Aloud Version
- Climate
- 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 for Babies
- Climate Rebels
- Climbing and Diving
- Clot & Scab
- Clot & Scab (Enhanced Edition)
- Clown Fish: Friends of the Stinging Anemone
- Coast Salish, Coastal Rainforests and Cougars
- Cocoa Girl Awesome Hair
- Coelophysis
- Colección biblioteca de Hogwarts
- Collecting Data
- Colors Are Nice
- Colors in Nature
- Cometas y meteoros: Atravesando el espacio
- Comida para llevar
- 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