"Baseball Joe" Matson's great ambition is to become a professional baseball pitcher. The Baseball Joe series follows his career as he seeks to attain his goal. In this fourth volume, Joe accepts a contract to play baseball professionally, and leaves Yale to play on the Pittston team for the Central League, a "bush league" in the professional baseball hierarchy. Joe's career is helped by "Pop" Dutton, a famous pitcher now down on his luck, and hindered by a rival pitcher on the team, while at home, Joe's father is blinded by a chemical accident, and requires an expensive operation, which, if successful, will regain his sight...

"Baseball Joe" Matson's great ambition is to go to boarding school and play on the school team, in this second volume of the Baseball Joe series. Joe is a wide-awake country boy who enjoys playing baseball. We follow his career in the series, and his adventures, as he and hometown chum Tom Davis enroll in Excelsior Hall and join the school nine, are recounted here. When not on the diamond, Joe is saving lives and assisting his father against foes who are once again trying to steal Mr. Matson's machinery patents...

"Baseball Joe" Matson's great ambition is to become a professional baseball pitcher. The Baseball Joe series follows his career as he seeks to attain his goal. In this volume, Joe follows the wishes of his parents and attends college, and seeks to join the Yale University varsity baseball nine. Much to his disappointment, he finds that he cannot immediately do so, due to a Yale rule barring Freshmen from placement on the varsity. We follow his college adventures through his first and second years, with emphasis on his trials in making the team in year two, including the attempts of a rival pitcher to keep him off the team...