Modo, who first made his appearance in The Hunchback Assignments, is a young, disfigured spy trained to be the ultimate secret agent. Not only is Modo brilliant and strong, but he also has a special ability: he can temporarily take on the appearance of other people. While on holiday, Modo and fellow spy Octavia Milkweed find themselves in Ember's End. Created by the slightly mad scientific genius Dr. Ebenezer Ember, this is no ordinary wild-west town. It is surrounded by an energy field that prevents gunpowder from firing, and messages are sent via pneumatic tubes. There are also rumors that before Dr. Ember died, he built a weapon so powerful it could end all wars. With the local sheriff recently deceased, the two travelers are suddenly put in charge of Ember's End law enforcement.
Cody and his friend Maria find themselves in the middle of several mysteries as they search for a missing emerald necklace.
Mysterious and dangerous things happen to Cody and Maria as they try to protect a stray cat that keeps vanishing.
When his neighbor Mrs. Sugarman reports seeing a seven-foot tall monster resembling Big Foot in New York City's Central Park, Cody Smith and his friend Maria Romero set out to investigate the sighting.
When a classmate is accused of stealing, Kevin decides to solve the crime.
I walked across the room and opened the small door. The sound stopped as I peered in. All I could see were some old magazines and a book. As I watched, the book moved! I was scared and wanted to run, but my feet seemed nailed to the floor. I finally reached out and picked up the book and blew dust from it. I felt someone or something next to me once more.
When Alice and Louie visit their grandparents' farm for the summer, they tearn up with Johnny, a local boy, to solve the mystery of the Indian ghost.