Edgar Rice Burroughs' Tarzan: The Lost Adventure (9781569710838): Edgar Rice Burroughs, Joe R. Lansdale, Thomas Yeates, Charles Vess, Jump to Summary of the Burroughs Manuscript - The original Burroughs manuscript was 83 typed is posted on the Edgar Rice Burroughs Summary The Ape Man rampages through the African jungle once again in a brawny, brutal adventure that Burroughs (1875- 1950) left unfinished at his death. For nearly fifty years, Edgar Rice Burroughs' last Tarzan manuscript lay on his teeth-baring jungle enemies one more time in "Tarzan: The Lost Adventure. For nearly fifty years, Edgar Rice Burroughs's last Tarzan manuscript lay untouched and unfinished, locked away in a vault. It was the stuff of legend until, finally,