Where did you get the idea for your most recent book?
R. Scott Boyer
The idea for book four was born mainly out of a natural progression from book three, along with some creative ideas that I picked up from a wide assortment of SciFi shows and books.
In book four, the characters delve into what I call "soul travel" - sending their spirits back in time to inhabit a previous incarnation/vessel.
Specifically, they travel back to ancient Alexandria, where they run into the likes of Julius Caesar and Cleopatra. This particular idea is a mash up of all sorts of writers and shows I've read/watched over the years. A few notables include Kevin Hearne, Paulo Coelho, and (of course) J.K. Rowling (eclectic, I know!)
I also introduce in book four the idea of spiritually imbued artifacts. Again, this idea came from a variety of sources, but a few notables that come to mind include the televisions shows Warehouse 13 and The Librarians.
On top of all of that is a layer of influence by movies such as the Indiana Jones series, and Dan Brown's Robert Langdon books, which inspired me to tie fast-paced adventures with epic settings and historical events.