Jack, The Young Cowboy is the seventh and final volume in the seven-volume Jack, The Young Man series. Jack Danvers, a New York teen embarks on adventures that entertain, enthrall, and educate. Although Jack visited his uncle’s western ranch many times, it is only now that his old friend and teacher Hugh Johnson teaches him that being a cowboy is rewarding but not easy.

George Bird Grinnell (September 20, 1849 – April 11, 1938) was an American anthropologist, historian, naturalist, and writer. Grinnell was born in Brooklyn, New York, and graduated from Yale University with a B.A. in 1870 and a Ph.D. in 1880. Originally specializing in zoology, he became a prominent early conservationist and student of Native American life. Grinnell has been recognized for his influence on public opinion and work on legislation to preserve the American bison. Mount Grinnell is named after Grinnell.