The Iron Druid Chronicles

The Iron Druid Chronicles is a series of urban fantasy novels, written by Kevin Hearne and published by Del Rey Books.[1] All the books including short stories have recorded Audiobooks narrated by Luke Daniels (for the US) and Christopher Ragland (for the UK market).
The series is set in our world (the first couple of books are set in Tempe, Arizona) where supernatural creatures exist, such as witches, vampires, werewolves, as well as various gods and goddesses from various mythologies. The series is told in the first-person point-of-view of Atticus O'Sullivan (aka. Siodhachan O Suileabhain), a Druid who owns and runs an occult bookshop, Third Eye Books and Herbs, as he gets embroiled in the day-to-day struggle of Gods and Goddesses and other supernatural creatures.