We’re Supernatural Protection & Investigations, known as SPI. Things that go bump in the night, the monsters you thought didn’t exist? We battle them and ke

After solving The Grendel Affair, the agents have another SPI File to investigate... We’re Supernatural Protection & Investigations, known as SPI. We battle t

"A tale of rivalry, romance, and existential angst"--Jacket.

New York Times bestselling author Maria Dahvana Headley presents a modern retelling of the literary classic Beowulf, set in American suburbia as two mothers—a

Men in Black meets Janet Evanovich’s Stephanie Plum in the fourth urban fantasy novel in the series starring seer Makenna Fraser and her fellow agents at Supe