Mystery School (Bobbsey Twins)
Series: Bobbsey Twins (4)
Publisher: Grosset & Dunlap
Published: May 4, 1989
Number of pages: 120
ISBN-13: 9780448090740
First sentence: "Mamma, how much longer have we got to ride?" asked Nan Bobbsey, turning in her seat in the railroad car, to look at her parents, who sat behind her.
Notes: Bobbsey Twins 00