The rain dragon rescue
"Ten-year-olds Ben and Pearl continue their apprenticeships at Dr. Woo's Worm Hospital, where they meet a dragon named Metalmouth and get a chance to travel to the Imaginary World"-- Ten-year-olds Ben and Pearl continue their apprenticeships at Dr. Woo's Worm Hospital, where they meet a dragon named Metalmouth and get a chance to travel to the Imaginary World. Book #3
