The Sleeping Giant Of Goll (The Secrets Of Droon #6)
The Golden Wasp (The Secrets of Droon, 8)
The Great Ice Battle (Secrets of Droon, 5)
The Secrets of Droon #9: The Tower of the Elf King
City in the Clouds (The Secrets of Droon #4)
The Mysterious Island (Secrets of Droon #3)
Quest for the Queen (Secrets of Droon #10)
Journey to the Volcano Palace (The Secrets of Droon, Book 2)
The Hidden Stairs and the Magic Carpet (The Secrets of Droon, Book 1)
The Secrets of Droon #12: Under the Serpent Sea