Middle

Holling Hoodhood is really in for it. He's just started seventh grade with Mrs. Baker, a teacher he knows is out to get him.

When this peculiar ad appears in the newspaper, dozens of children enroll to take a series of mysterious, mind-bending tests. (And you, dear reader, can test your wits right alongside them.) But in the end just four very special children — two boys and two girls — will succeed. Their challenge: to go on a secret mission that only the most intelligent and resourceful children could complete.

Peak Marcello is a 14-year-old who loves to climb things. Unfortunately, living in New York City makes his hobby difficult. After a run-in with the law, Peak is presented with two options: endure Juvenile Detention or reconnect with his estranged father, who runs a climbing operation in Thailand.

Charlotte Parkhurst was raised in the mid-1800s and was expected to live her life without the freedoms she dreamed of. But Charlotte was smart and determined, and she figured out a way to live her life the way she wanted. She became an expert horse rider, a legendary stagecoach driver, and the first woman ever to vote - at a time when such things were outlawed for women.