History's Kid Heroes: The Underground Adventure of Arly Dunbar, Cave Explorer
- Publisher: Lerner Publishing Group
- Written By: Candice Ransom
- Art By: Ted Hammond; Richard Pimentel Carbajal
- Language: English
- Digital Release Date: June 3rd, 2020
Young Arly Dunbar loves exploring caves with his grown-up friend Floyd Collins. When Floyd becomes trapped in Sand Cave, the entire town comes to the rescue. Can Arly find a way to help his friend?