 The stories ran monthly in "Blue Book" magazine, September 1916 through August 1917 before book publication in 1919.The book is a collection of twelve loosely connected short stories of Tarzan's late teenage years, set within a year or two before Tarzan first sees white people including Jane Porter.According to "", Philip José Farmer's study of the ape man's life and career, the incidents of this book occurred from February, 1907-August, 1908 (aside from the eclipse incident in the final tale, there apparently having been no such eclipse visible from equatorial Africa during this period).