Andrew Child is the author of nine thrillers written under the name Andrew Grant. He is the younger brother of Lee Child. Born in Birmingham, he lives in Wyoming with his wife, the novelist Tasha Alexander.

Reed Farrel Coleman, called "a hard-boiled poet" by NPR's Maureen Corrigan and the "noir poet laureate" in the Huffington Post, is the Edgar-nominated author of twenty-five novels and three novellas, including the critically acclaimed Moe Prager series.

A three-time winner of the Shamus Award, he has also won the Anthony, Macavity, Barry, and Audie awards.

Amanda Flower, a USA Today bestselling and Agatha Award-winning mystery author, started her writing career in elementary school when she read a story she wrote to her sixth grade class and had the class in stitches with her description of being stuck on the top of a Ferris wheel.

She knew at that moment she'd found her calling of making people laugh with her words. She also writes mysteries as USA Today bestselling author Isabella Alan. In addition to being an author, Amanda is a librarian in Northeast Ohio. This is her first Magic Garden mystery.

Heather Graham is the New York Times and USA Today bestselling author of more than one hundred novels and novellas, including Phantom Evil, Ghost Walk, and Heart of Evil.

A recipient of the RWA's Lifetime Achievement Award, and the Thriller Writers' Silver Bullet, she has been honored with awards from Georgia Romance Writers, Affaire de Coeur, RT Book Reviews, and more.

John Gilstrap is the New York Times bestselling author of the Jonathan Grave thriller series and other fiction and nonfiction. His novel Against All Enemies won the award for best paperback original of 2015 given by the International Thriller Writers. His books have been translated into more than twenty languages. An explosives safety expert and former firefighter, he holds a master's degree from the University of Southern California and a bachelor's degree from the College of William and Mary in Virginia. He lives in Fairfax, Virginia.