Twelve-year-old Cole's behavior causes his mother to drive him from Detroit to Philadelphia to live with a father he has never known, but who soon has Cole involved with a group of African-American "cowboys" who rescue horses and use them to steer youths away from drugs and gangs.

In 1793 Philadelphia, sixteen-year-old Matilda Cook, separated from her sick mother, learns about perseverance and self-reliance when she is forced to cope with the horrors of a yellow fever epidemic.

"When Cole moves in with his dad, Harp, he thinks life will be sweet--just him and his horse, Boo, hanging out with Philadelphia's urban cowboys. But when Harp says he has to get a job, Cole winds up as a stable hand for the polo team at George Washington Military Academy, where the players are rich, white, and stuck-up--all except Ruthie, the team's first and only girl, who's determined to show the others she can beat them at their own game. As Cole...