Fred Armisen is an author.
Betrayer of Worlds is a science fiction novel by American writers Larry Niven and Edward M. Lerner , set in the Known Space seroes .. Larry Niven. Larry Niven. Edward M. Lerner. Edward M. Lerner. Known Space. Known Space. science fiction. science fiction. It is a sequel to their previous novels Fleet of Worlds , Juggler of Worlds , and Destroyer of Worlds , and is set 70 years before Ringworld '' .. Destroyer of Worlds. Destroyer of Worlds ( novel ). Fleet of Worlds. Fleet of Worlds. Juggler of Worlds. Juggler of Worlds. Ringworld. Ringworld