When a best selling author tries to leave Riley Greenleaf’s (played by Jack Cassidy) publishing company, the smooth, smarmy operator sees no choice but to have the writer killed, then blow up the creep he hired to do the deed. “Publish or Perish” is the last Jack Cassidy Columbo episode we’ll be covering, and it’s a doozy. Mickey Spillane! Bomb-making books! Bad interior design! Chili with catsup! Alan Fudge! The Valley! Leonard Pierce (leonardpierce.com) returns to the podcast to give it all a good look-over.