"BLOODLESS" is a bestselling thriller novel co-authored by Douglas Preston and Lincoln Child, released in 2021. It is part of the popular series featuring FBI Special Agent Aloysius Pendergast, known for its blend of mystery, suspense, and supernatural elements. In this installment, Pendergast and his colleague, Agent Coldmoon, investigate a series of gruesome murders in Savannah, Georgia, that defy conventional explanations. The novel continues to showcase the authors' talent for intricate plots and engaging character development, further cementing their reputation as masters of suspense.