The Hammer of Amalynth (Secrets of the Elements Book II)

When storm researcher John Sayers is nearly electrocuted in a church basement during a storm, he discovers the lightning strike may not have been an act of God. Together with cult researcher Madeline Kinney, they unearth evidence that a scientist named Dr. Amalynth has developed a way to call fire down on his enemies. Along the way John meets Dr. Ferganut, a reclusive inventor who offers clues to Dr. Amalynth's past. At the same time John finds he must overcome his own past and help Madeline to face hers if they are to stop Dr. Amalynth from striking again.