The Medusa plot
Subtitle: Cahills vs. Vespers
By: Gordon Korman
Series: The 39 clues: Cahills vs. Vespers
Publisher: Scholastic
Published: 2011
Place of publication: New York
Language: eng
Number of pages: 222
ISBN-13: 9780545298391
Subjects: Code and cipher stories; Juvenile fiction; Kidnapping; Brothers and sisters
Notes: Includes six game cards.