Lucifer's Couch or Raphael the Secret Angel (The Watchers Book 3)

Archangel Raphael was famous for helping Tobit in secret. In this episode of The Watchers, Raphael works for Lucifer in the planet with two suns. As war rages, Lucifer's son Abner conspires with Raphael to escape his father's clutches and spread even more unrest with his cutting edge machines.