- E-bookMystery in Rocky Mountain National ParkAaron Johnson
- E-bookNational Park Mystery Series - Books 1-3Aaron Johnson
- E-bookAdventure in Grand Canyon National ParkAaron Johnson
- E-bookDiscovery in Great Sand Dunes National ParkAaron Johnson
- E-bookThe Tale of Henrietta HippoAaron Johnson
- E-bookOut of the Box, Into the CircleElle Goff
- E-bookA Religion of StoryAmanda Johnson
- E-bookSéries: National Park Mystery SeriesAaron Johnson