The Hostage of Zir
Outside the walls of the starport Novorecife, Earthmen on the warrior planet Krishna are on their own. So when he is chosen to lead the first ersuma (Earth-tourists) through the sorcerer kingdoms of this "protected" medieval world, Fergus Reith must first learn to speak Durou; must take the chemical oath against imparting technical information; and must have above all else learn to handle a broadsword.
L. Sprague de Camp
Lyon Sprague de Camp (1907–2000) was an American science fiction and fantasy author. His writing career spanned over fifty years. He wrote novels and works of nonfiction.
Viagens Interplanetarias
Also known as the Krisna Series.
Viagens Interplanetarias consists of nine primary books, and includes four additional books that complement the series but are not considered mandatory reads. The current recommended reading order for the series is provided below.