Otis Adelbert Kline's 'The Venus Trilogy' is a captivating and imaginative science fiction series that consists of 'Planet of Peril,' 'Prince of Peril,' and 'Port of Peril.' Set on the mysterious and dangerous planet of Venus, the trilogy follows the thrilling adventures of hero Robert Grandon as he navigates through alien landscapes, encounters strange civilizations, and battles against formidabl...