Grumbones

Budding sleuths Helena and her best friend Ben hire an insufferable ghostly guide named Grumbones to track down her recently deceased grandmother in the underworld.

• | Author: Jenn Bennett
• | Publisher: Simon & Schuster Books For Young Readers
• | Publication Date: Aug 01, 2023
• | Number of Pages: 304 pages
• | Language: English
• | Binding: Hardcover
• | ISBN-10: 1665930314
• | ISBN-13: 9781665930314