Add to ORKGTarzan Lord of the Jungle is the eleventh book in the series relating the tales of Tarzan, Lord Greystoke. It was first published as a serial in Blue Book Magazine from December 1927 through May 1928. It first appeared in book form in September 1928. This novel marks the change in plot lines from Tarzan\u27s life and family to his adventures as a seemingly itinerant adventurer who functions as a protector of a host of different characters in each succeeding book. In this story, Tarzan finds an outpost of European knights and crusaders from a forbidden valley hidden in the mountains of Africa.https://digitalcommons.winthrop.edu/rarebooks/1170/thumbnail.jp