Journey to the Volcano Palace (The Secrets of Droon #2)

The Mysterious Island (The Secrets of Droon #3)

The Golden Wasp (The Secrets of Droon #8)

Final Quest (The Secrets of Droon: Special Edition #8)

The Tower of the Elf King (The Secrets of Droon #9)

City in the Clouds (The Secrets of Droon #4)

The Great Ice Battle (The Secrets of Droon #5)

The School is Alive!: A Branches Book (Eerie Elementary #1)

The Riddle of Zorfendorf Castle (The Secrets of Droon #25)

Back in Time

Flight of the Genie (The Secrets of Droon #21)

Into the Land of the Lost (The Secrets of Droon #7)

The Ship of Secrets

Pirates of the Purple Dawn (The Secrets of Droon #29)

Sherlock Holmes Retold for Children: 16 Books

The Moon Scroll (The Secrets of Droon #15)

The Chariot of Queen Zara (The Secrets of Droon #27)

The Sleeping Giant of Goll (The Secrets of Droon #6)