Ninth Key

From Author Wars - https://authorwars.com/publications/ninth-key-342582.html

Overview:

Title: Ninth Key
Author: Meg Cabot
Year: 2008
ISBN-10: 9780060725129
Publisher: Avon / HarperCollins
Price: $7.99
Pages: 287
Binding: Paperback
Type: Novel
Title Reference: Ninth Key
Notes:
• Reprint
• Data from Locus1