The Spell of the Sorcerer's Skull

From Author Wars - https://authorwars.com/publications/the-spell-of-the-sorcerers-skull-857679.html

Overview:

Title: The Spell of the Sorcerer's Skull
Author: John Bellairs
Year: 1984
ISBN-10: 0803701225
Publisher: Dial Books for Young Readers
Price: $11.89
Pages: 170
Binding: Hardcover
Type: Novel
Title Reference: The Spell of the Sorcerer's Skull
Notes: Library binding