Cheryl Campbell: 5 books

When the people of Hyden begin to divide loyalties and many choose to follow Rio Kaiser’s example to join the Rogue Army, the city’s leadership turns to deadly force to remove her influence. The Emperor’s army of Iamurri continue their relentless march toward the city while leaving destruction...

Despite the risks of visiting the hidden world, sixteen-year-old Rio Kaiser decides to help the people of Hyden, Rhyllia’s last city, resist the Emperor and his army. Her rebellion against Hyden’s military council puts Rio and her family in the center of a bitter dispute among the Hydeners and...

When Rio Kaiser's family vacation in Yellowstone National Park turns catastrophic, they must return to the hidden world where fears come to life—fears that can kill. In a panic to save the people with her, Rio fails to harness her unusual ability to control the elements which thrusts her and her...

Rio Kaiser’s day off from school turns to disaster when Ilnin and his hunters escape the world hidden beneath Burnt Mountain. She avoids capture, but her mother and father aren’t as lucky. Rio plans to use her usual ability to control the elements during her return to the underground world of...

Thirteen-year-old Rio Kaiser’s good intentions turn into life-threatening consequences when they land her and her friends in a savage, new world hidden beneath a mountain in rural Maine. When forced to confront her fears, Rio discovers she has a special gift which might save more lives than only...