Nightshade is a thriller novel by bestselling author Michael Connelly, published by Little, Brown and Company, an imprint of Hachette Book Group. The book introduces Detective Stilwell, a determined investigator pursuing justice in the seemingly tranquil setting of Catalina Island, just off the coast of Los Angeles.

Known for creating iconic detective characters including Harry Bosch and Mickey Haller, Connelly brings his signature procedural storytelling to a fresh setting and protagonist with Nightshade. The novel blends the sun-drenched atmosphere of an island community with the gritty undercurrents of crime investigation that have made Connelly one of the most celebrated crime writers of his generation.

This hardcover edition is sold through Costco warehouse locations and is published by Hachette Book Group (HGB).