"Jack Among the Indians" is an adventure novel by George Bird Grinnell, a noted ethnologist and historian known for his writings on Native American life and the American frontier. The book is a work of fiction, though it reflects Grinnell's extensive knowledge of Native American cultures and the American West.The story follows a young boy named Jack, who embarks on a summer adventure in the American plains. The novel is set in the late 19th century, a period when the American West was still largely unexplored and the buffalo plains were a prominent feature of the landscape.Jack, the protagonist, is a spirited and curious young boy who dreams of adventure and exploration. He travels with his father, a rancher or frontiersman, to the buffalo plains, where he encounters a variety of experiences and challenges. The novel captures the essence of life on the frontier, from the thrill of hunting buffalo to the daily struggles of living in the untamed wilderness.