Warp

From Author Wars - https://authorwars.com/publications/warp-629529.html

Overview:

Title: Warp
Author: Lev Grossman
Year: 1997
ISBN-10: 0312170599
Publisher: St. Martin's Griffin
Price: $12.95
Pages: 183
Binding: Trade Paperback
Type: Novel
Title Reference: Warp
Notes: Data from Amazon.com
Price (front flap) and cover artist (back flap - Wang credited for cover illustration and Walker credited for photograph) from Archive.org copy.