Tom and Zilla need to investigate one of their classmates. His dad is a billionaire who's up to something shady on his private island. But can Tom and Zilla get close enough to uncover the plot? It's
Tom and Zilla are on a field trip to a robotics lab—and on a secret mission to uncover its true purpose. But soon the situation gets out of control. If they want to survive, they'll have to face off a
Something suspicious is going on at Grayfields Nuclear Power Plant. Tom and Zilla need to find out what. Can they sneak into a camp of anti-nuclear protesters and foil the plans of a Russian spy? It's
Tom and Zilla go undercover to protect a classmate who's being targeted by kidnappers. He's the son of an important physician with powerful enemies. But can Tom and Zilla keep him safe without exposin
