Strickland, Brad

Fifteen-year-old Sean arrives at the experimental Mars colony ten years after its establishment, secretly afraid that he will not measure up to the high standards set by the gifted teens already living at the station, but it is not long before he has a chance to prove his worth when the existence of Marsport is threatened.

Wishbone and his friends investigate a crime mystery on a train called the Zenith Condor.

In the woods near his home in Michigan, thirteen-year-old Lewis Barnavelt stumbles upon an ancient grave and silver whistle that draw him, his best friend Rose Rita Pottinger, his uncle Jonathan, and their friend Mrs. Zimmermann into a battle with an ancient evil.

Thirteen-year-old Johnny Dixon and his friend Professor Childermass battle an evil wizard for possession of a bewitched hand which can be used to rule the world.

Wishbone imagines himself as Gulliver but with the difference that he goes to two strange lands-- one populated by very small people and the other by giants.