(From the publisher):
According to the "National Snooper", the queen of planet Zagon is on earth. It seems pretty silly until Nancy and her friends have a new substitute teacher, Ms. Zagon. Kate Zaleski says Ms. Zagon is an alien. Nancy says she's not, and she's going to prove it--along with the aid of a talking parrot who's helping her solve the whole mystery.
Original title: Alien in the Classroom
Genre: Fiction→ Children & Young Adult→ Mystery