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

Horton Halfpott: Or, The Fiendish Mystery of Smugwick Manor; or, The Loosening of M'Lady Luggertuck's Corset

The Moon Scroll (The Secrets of Droon #15)

Let's Meet a Police Officer

Wizard or Witch? (The Secrets of Droon: Special Edition #2)

An Outlaw Thanksgiving

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

Our Police

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

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

Al Capone: Dangerous Existence - Biography 7th Grade | Children's Biography Books

The Moon Dragon (The Secrets of Droon #26)

The Race to Doobesh (The Secrets of Droon #24)

The Hawk Bandits of Tarkoom (The Secrets of Droon #11)

I Survived the Hindenburg Disaster, 1937 (I Survived #13)

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

I Survived the Eruption of Mount St. Helens, 1980 (I Survived #14)