Cloak

From Author Wars - https://authorwars.com/publications/cloak-7346.html

Overview:

Title: Cloak
Author: S. D. Perry
Year: 2001
ISBN-10: 0671774719
Publisher: Pocket Books
Price: $6.99
Pages: 211
Binding: Paperback
Type: Novel
Title Reference: Cloak
Notes:
• "First Pocket Books printing July 2001" • Number-line 10—1 • Cover is an uncredited photo • Canada $9.99. Over-stickered with £5.99 UK price. • Locus1 has "Book One" as part of the title, but there is no such designation for any of the four, and two were published a month earlier than this one.