- Counselling in Action series
- Countries of the World
- Country Explorers
- Court of Fives
- Cowgirl Kate and Cocoa
- Cozy Classics
- Crafts
- Creation of the Modern Middle East
- Creative Stress Relieving Adult Coloring Book Series
- Creatures of the Sea
- Crime Files
- Crime Scene Investigations
- Crispin
- Critical Languages Series
- Critical Scripts
- Crocponds
- Croom Helm Biology in Medicine Series
- Cross Cultural Research and Methodology
- Cross Currents in Religion and Culture
- Cross My Heart
- Crown Books
- Cryogenic Materials Series
- Cuentos de ahora/ Nowadays Stories
- Cultural Studies of Science Education
- Curiosity House
- Curious Baby Curious George
- Curious Creatures
- Curious George
- Current Controversies
- Current Ornithology
- Current Phycology
- Current Topics in Cardiology
- Current Topics in Neurobiology
- Currents in Comparative Romance Languages and Literatures
- Currents in Language Learning
- Cutting Edge
- Cycles
- Cycles in Nature
Copii și adolescenți
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