Presentation copy inscribed and signed by Burroughs to Ed Gilbert, his future brother-in-law, on the front free endpaper, "To Edward Gilbert, With every good wish, Edgar Rice Burroughs, Tarzana, Feb. 7, 1927." The was the first book given by Burroughs to young Ed Gilbert, at their first meeting, when Gilbert was just 13 years old. There was a Grosset & Dunlap reprint in 1926, in Blue cloth, and serveral reprintings between 1927 and 1939 in red cloth which had a frontispiece. Zeuschner notes that the earliest of these had 11 ERB titles listed in the ads at rear; this copy has 15 ERB titles listed, but was published early in 1927, as evidenced by the date of the inscription. Thus in addition to the significant association, it also adds to the bibliographic knowledge of the Burroughs oeuvre. Heins X6.3; Zeuschner 82.