Liam Mulligan Books in Order

The Liam Mulligan books are crime novels, but they are also newspaper novels. Liam starts the series as an old-school investigative reporter at the dying Providence Dispatch, a man who knows Providence block by block and person by person. He knows the cops, the priests, the strippers, the lawyers, the mob-adjacent operators, and the politicians who would rather not answer questions. That local knowledge is his edge.

Providence matters here. So does Rhode Island as a whole. DeSilva uses the state’s size to great effect, because in these books everybody seems connected to everybody else, and public life is thick with favors, grudges, and old deals. A case that looks small at first can run from a neighborhood fire to city hall, from a strip club to a church office, or from the statehouse to a gambling racket. The setting feels tight, local, and a little boxed in, which is exactly why the pressure works.

Mulligan is tough, funny, stubborn, and sometimes a pain even to the people who like him.

The cases change from book to book, but the engine stays the same. In Rogue Island, fires tear through the neighborhood where Mulligan grew up. Cliff Walk throws him into Rhode Island’s sex trade, a murdered pornographer, and a grim child murder case. Providence Rag becomes a wrenching fight over whether the state can bend the truth to keep a killer locked away. A Scourge of Vipers follows sports gambling and political money. By The Dread Line, the collapsing newspaper business has pushed Mulligan into part-time private-eye work, but he is still asking reporter questions and making powerful people sweat.

What links the series is not just crime. It is pressure.

Mulligan is always up against institutions that are supposed to serve the public and often fail it instead. Newspapers are shrinking. Politicians are slippery. Police work is uneven. Courts and prisons are tangled up in moral compromise. Even when he has allies, including his friend and fellow reporter Mason, people do not always agree on what justice looks like. That is part of what gives the series its bite. These books are interested in what happens when telling the truth might hurt people, and in what people justify when they think they are protecting the greater good.

The tone is hardboiled, but not numb. There are wisecracks, barstool conversations, newsroom grumbling, and colorful Rhode Island personalities all over the place. There is also a real sadness running underneath, especially about the decline of local journalism and the way whole communities get abandoned while connected people keep skating. If you like mysteries with a strong sense of place, a reporter instead of a cop, and cases that keep turning into arguments about power, loyalty, and conscience, this series has a very clear identity.