Mystery of the midnight rider / Keene, Carolyn

Nancy, Bess, and George are on the case when a few equestrians break the rules to win the River Heights Horse Show.

The stakes are high at the River Heights Horse Show, and Nancy and her friends must find out who's been drugging the horses to win.

The stakes are high at the River Heights Horse Show, and Nancy and her friends must find out who's been drugging the horses to win.