Henry the Hammerhead: Master of Technology

By Jacob Guthrie

With tension building in Cityopolis, Henry the Hammerhead returns to fight crime, yellow cape and all. But when a new threat approaches the city, Henry will need to upgrade to new gear, accept help from others, and even fight an evil robotic version of himself.

• Format: Paperback
• Language: English
• ISBN: B0GQTG9T2S
• ISBN13: 9798247264033
• Release Date: February 2026
• Publisher: Independently Published
• Length: 32 Pages
• Weight: 0.21 lbs.
• Dimensions: 0.1" x 7.0" x 10.0"