Title: The case of the purloined professor
Description: Rat brothers Frederick and Ishbu again escape the comfort of their fifth-grade classroom to go on an adventure, this time to help their friend, Natasha, seek her missing father, who is a specialist in the biochemistry of domestic animals.
Subjects: Fiction, Kidnapping, Rats, Adventure and adventurers, Behavior, Domestic animals, Mystery and detective stories, Children's fiction, Adventure and adventurers, fiction, Kidnapping, fiction, Domestic animals, fiction, Rats, fiction