The Shepherd and the Racehorse (Read-It! Chapter Books: Historical Tales)

Marius dreams of becoming a star charioteer like his brother, Petronius. One day, Marius is hearding his master's sheep and discovers a beautiful horse named Thunder. Marius trains Thunder to run. When Marius makes a secret trip to Rome, he tracks down Petronius and gives him Thunder. Will Thunder be able to lead Petronius to victory? Find out how Marius, Thunder, and Petronius all come out ahead.