In a world of trackless jungles, colossal beasts, and cruel pre-human civilizations, you must survive the past if you want to save the future! You were only meant to guard the laboratory, but when a treacherous power cripples Doctor Sabbatine's time machine, you're left stranded! Face the savage inhabitants of Silverworld and build your own civilization—or plunder the past and return home unimaginably rich! "Silverworld" is a 560,000-word interactive time-travel fantasy novel by Kyle Marquis, w