When a United States diplomat disappears in front of hundreds of onlookers while attending a religious ceremony in Zimbabwe, Diplomatic Security special agent Dominic Grey, product of a violent childhood and a worn passport, is assigned to investigate. Aiding the investigation is Professor of Religious Phenomenology Viktor Radek, as well as Nya Mashumba, the local government liaison. What Grey uncovers is a terrifying cult older than Western civilization, the harsh underbelly of a country in despair, a priest seemingly able to perform impossibilities, and the identity of the newest target. Himself... "Favorite book of the year so far." - A Novel Source. "Mystical, complicated, completely believable and terrifying . . . [w]ith an ending that will catapult you out of your reading chair. Riveting." — The Review Broads. "A wonderful read for those who enjoy both suspense and action stories." — The Seattle Post-Intelligencer " "An awesome read" — Blood Writes, Mystery Pick of the Week "One of the best books I've ever read for Odyssey Reviews" — Odyssey Reviews "Giving Green's The Summoner five stars and five stars alone downplays how I felt about this book." — 1000 + Books to Read "Wow. This book, it packs a walloping punch . . . What a truly original story this was." — Tiffany Harkleroad, Amazon Vine Voice "Truly a captivating novel." - Socrates' Book Review "A complex, chilling story . . . it will make you think and it will make you feel." — Bea's Book Nook "Fascinating . . . intriguing . . . stunning . . . one of the most thought-provoking novels you will ever reader." — Book Reader's Heaven