Title: Caillou
Subjects: Caillou (Fictitious character), Lost articles, Lost and found possessions, Juvenile fiction, Picture books for children, Socks, Fiction, Imaginary companions, Imaginary playmates, Amitie, Romans, nouvelles, etc. pour la jeunesse, Friendship, Compagnons imaginaires, Friendship, juvenile literature, Puzzles, juvenile literature, Puzzles, Size and shape, Size perception, juvenile literature, Color, Color, juvenile literature, Fear