Adam Plantinga

Adam Plantinga is a patrol sergeant with the San Francisco Police Department whose first two nonfiction books- 400 Things Cops Know and Police Craft- have become his calling cards to the world of thrillers. 400 Things was nominated for an Agatha, a Macavity, and was deemed "the new Bible for crime writers" by the Wall Street Journal. Adam's fiction debut, The Ascent, was published in 2024 and became a USA Today bestseller.