Paul Prye Books in Order

The Paul Prye books are Margaret Millar's first mystery series, and they already show how quickly she was moving beyond a routine whodunit. These novels have the shape of classic detective puzzles, but they are just as interested in nerves, vanity, and bad motives as they are in clues. Even early on, Millar liked cases where the room felt wrong long before anyone explained why.

Paul Prye is a psychologist, not a policeman, and that changes the whole feel of the series. He notices moods, slips of speech, and the stories people tell themselves. He is also witty, skeptical, and not especially gentle with fools. Poetry quotes and sarcasm come naturally to him, which means he can sound amused even when a body is on the floor.

He is brilliant, and he knows it.

In The Invisible Worm, Prye is pulled into a murder case from the worst possible position, as a suspect who has to clear his own name. The book sets up the series well. There is a closed circle of uneasy people, an unpleasant dead man with plenty of enemies, and Prye walking through the mess with cool intelligence and very little patience. The pleasure comes from watching him pick apart everyone else's motives while becoming a target himself.

The Weak-Eyed Bat loosens the setting a little and sends Prye to Muskoka for what ought to be a holiday. Instead he gets a missing girl, a lakeside community full of talk, and one of Millar's favorite setups, a place that looks leisurely until fear starts leaking through it. This is also the book that brings more emotional texture to Prye's life, especially through Nora Shane, who adds some spark and resistance rather than simply admiring him from the sidelines.

Then Millar sabotages the wedding.

In The Devil Loves Me, Prye's marriage plans are interrupted by poison and a killer bold enough to announce his intentions in advance. The result is the funniest and most openly theatrical book of the three, but it is still grounded in the same interest that runs through the whole series, the thin line between social performance and genuine feeling. It also matters because Inspector Sands enters here, giving Millar a second recurring investigator to play with.

Across all three books, expect Ontario settings, tight suspect pools, brittle manners, and crimes that grow out of jealousy, resentment, money, and old emotional debts. These are not action-first mysteries. Prye solves problems by listening, needling, and pushing people until their self-control cracks. If you like detectives who charm everyone, he may not be your man. If you like detectives who can read a room and make it even more uncomfortable, he is a lot of fun.

The series is short, but it rewards reading in order: The Invisible Worm, The Weak-Eyed Bat, then The Devil Loves Me. You get the clearest sense of Prye that way, and you can watch Millar learning what kind of mystery writer she wanted to be. By the end, the answer is already clear. She wanted the puzzle, yes, but she also wanted the human mess around it.