For nearly half a century, Edgar Rice Burroughs' final work, an unfinished Tarzan novel, was locked in a vault where it became the stuff of legend. In 1995, Edgar Rice Burroughs' Tarzan: The Lost Adventure enjoyed its Dark Horse debut as a series of four pulp-magazine format books. Now, one year later, the story has been collected and reformatted into an illustrated prose novel, in the classic tradition of those prized Tarzan first editions. The talen Williams. The book is illustrated throughout by such legends as Thomas Yeates, Charles Vess, Gary Gianni, and Michael Kaluta, and includes a reproduction of Edgar Rice Burroughs' personal bookplate, designed by Burroughs' nephew, Studley O. Burroughs..