Subject(s): Green, Pumpsie, -- 1933- -- Juvenile fiction. | Green, Pumpsie, -- 1933- -- Fiction. | Boston Red Sox (Baseball team) -- History -- Juvenile fiction. | Boston Red Sox (Baseball team) -- Fiction. | African American baseball players -- Juvenile fiction. | Discrimination in sports -- United States -- History -- Juvenile fiction. | Baseball -- United States -- History -- Juvenile fiction. | African American families -- Juvenile fiction. | Baseball -- Fiction. | Discrimination -- Fiction. | African Americans -- Fiction. | Boston (Mass.) -- History -- 20th century -- Juvenile fiction. | Boston (Mass.) -- History -- 20th century -- Fiction.