The Coldest Case
Please note: This audio drama is for mature audiences only. It contains strong language, violence, and sexual content. Discretion is advised.
James Patterson's Detective Billy Harney is back, this time investigating murders in a notorious Chicago drug ring, which will lead him, his sister, and his new partner through a dangerous web of corrupt politicians, vengeful billionaires, and violent dark web conspiracies.
In The Coldest Case: A Black Book Audio Drama, homicide detective Billy Harney sends his new partner, Kate, deep undercover in a notorious Chicago drug ring. When several members of the ring soon turn up dead, Billy abruptly pulls Kate out, blowing her cover. Kate’s informant inside the gang quickly disappears. As does the ring’s black book....
When Billy can’t find the informant, he wonders if Kate is secretly harboring her, since the two grew close during Kate's weeks undercover. As Billy and Kate investigate the ring’s murders, they’ll be pulled into a dangerous web of corrupt politicians, vengeful billionaires, drugged pro-athletes, and violent, dark web conspiracies, all in search of the missing black book.
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James Patterson
James Patterson doesn’t just write books—he crafts unforgettable, high-stakes experiences that pull readers into the heart of every twist and turn. Known for his impeccable ability to build tension and create characters with complex moral compasses, Patterson has redefined the thriller genre, earning a place as one of the world’s most successful and influential authors. With over 400 million copies of his books in print globally, his name is nearly synonymous with page-turning suspense.
Billy Harney Thrillers
Billy Harney Thrillers consists of three primary books, and includes two additional books that complement the series but are not considered mandatory reads. The current recommended reading order for the series is provided below.

