“The Wrath of Mulgarath” by Tony DiTerlizzi and Holly Black.
Title: The Wrath of Mulgarath
Series: The Spiderwick Chronicles
Number in Series: 5 (five)
Author(s): Holly Black, Tony DiTerlizzi
Cover Artist: Tony DiTerlizzi
Interior Artist(s): Tony DiTerlizzi
Language: English
Original Publisher: Simon & Schuster Books for Young Readers
Originally Published: September 2004
Publisher: Scholastic
Published: January 2005
ISBN-10: 0439821622
ISBN-13: 9780439821629