"The Borderland of Sol" is a science fiction novelette by American writer Larry Niven. It is the fifth in the Known Space series of stories about crashlander Beowulf Shaeffer.

"The Slaver Weapon" is the fourteenth episode of the first season of the American animated science fiction television series Star Trek: The Animated Series. It first aired on NBC on December 8, 1973, and was written by Larry Niven. It was based on his original short story "The Soft Weapon". This episode was expanded to become the first half of a full-length novel by science-fiction author Alan Dean Foster as Star Trek Log Ten.