Captain James Carson was a pseudonym used by the Stratemeyer Syndicate for the five volume "Saddle Boys" series: The Saddle Boys of the Rockies; or, Lost on Thunder Mountain (1913), The Saddle Boys in the Grand Canyon; or, The Hermit of the Cave (1913), The Saddle Boys on the Plains (1913), The Saddle Boys at Circle Ranch (1913) and The Saddle Boys on Mexican Trails (1915). Это и многое другое вы найдете в книге The Saddle Boys in the Grand Canyon; Or, the Hermit of the Cave (Dodo Press) (James Carson)