The Candy Shop War

From Author Wars - https://authorwars.com/publications/the-candy-shop-war-206757.html

Overview:

Title: The Candy Shop War
Author: Brandon Mull
Year: 2007
ISBN-10: 159038783X
Publisher: Shadow Mountain
Price: $17.95
Pages: 404
Binding: Hardcover
Type: Novel
Title Reference: The Candy Shop War
Notes: Cover artist credited on inside back flap of dust jacket
Interior chapter header illustrations are not credited but match the style of Brandon Dorman in other books. So, interior illustrations are likely by him.