Title: I think I can't
Description: Melvin, a cautious cement mixer, worries that he cannot keep up with the other trucks, but when Rita needs help, he overcomes his fear in order to help her.
Subjects: Fiction, Trucks in fiction, Worry in fiction, Trucks, Worry, Worry in children, Juvenile fiction, Concrete mixers, Rescue work, Fear in children, Children's fiction, Trucks, fiction, Emotions, fiction