When does the next book in this series release?

The next two books in the Dragon Heat series will release back-to-back in Summer 2014. They feature dragons Ian Madoc (Griffin's cousin and a minor character in Red Hot Dragon) and Niko Drakon (the alchemist mentioned in Dead Sexy Dragon.)

Are these books paranormal romance or paranormal erotic romance?

These are super sexy stories with tons of heat so they are definitely paranormal erotic romances!

Does Ignatius get a book? What about Niko or Reynard?

Yes--this series includes 6 novellas. The story arc features Stig (Dead Sexy Dragon,) Griff, (Red Hot Dragon,) Madoc (Dragon Heat #3,) Niko (Dragon Heat #4,) Reynard (Dragon Heat #5) and Ignatius (Dragon Heat #6.)