The Hidden Stairs and the Magic Carpet (The Secrets of Droon #1)
2015
Journey to the Volcano Palace (The Secrets of Droon #2)
2015
The Mysterious Island (The Secrets of Droon #3)
2015
The Sleeping Giant of Goll (The Secrets of Droon #6)
2015
City in the Clouds (The Secrets of Droon #4)
2015
The Great Ice Battle (The Secrets of Droon #5)
2015