Sir Errol Hyde Books in Order
Part ofGay Hendricks Books in OrderSee the Sir Errol Hyde books by Gay Hendricks in order, with short summaries, series background, reading order, and a quick guide to where to start.
Last updated: June 10, 2026
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Publication Order
3 books
The First Adventure of Sir Errol Hyde: The Case of the Wayward Prince
by Gay Hendricks
2017
In 1908 London, the eccentric Sir Errol Hyde agrees to handle a delicate royal errand and quickly lands inside a much larger conspiracy. It is a witty historical mystery with danger, scandal, and plenty of attitude.
The Second Adventure of Sir Errol Hyde: The Case of The Oxford Rasputin
by Gay Hendricks
2017
Sir Errol investigates a magnetic Oxford guru whose followers keep disappearing. The case pulls him into questions of power, belief, and manipulation, while keeping the series' mix of humor and suspense intact.
The Final Adventure of Errol Hyde: The Case of Ludwig Wittgenstein's Secret Notebook
by Gay Hendricks
2019
Sir Errol Hyde takes on a missing fiancée case that leads him from Cambridge to Vienna and into the orbit of Ludwig Wittgenstein. Philosophy, romance, and prewar intrigue collide as the mystery grows darker and stranger.
Series background & context
The Sir Errol Hyde books are Gay Hendricks having obvious fun with historical mystery. The series is set in Edwardian London, beginning in 1908, and it follows a private detective who is clever, cranky, theatrical, and far from tidy in either habit or temperament. Sir Errol is an aristocrat, but he is not polished in the usual detective-story way. He is witty, impulsive, fond of pleasure, and often as entertaining as the mystery itself.
That tone matters.
These books are not grim procedural puzzles. They mix classic detection with comedy, social satire, and a steady parade of oddballs, schemers, and grand personalities. The first novel sends Sir Errol into a sensitive royal errand that quickly turns into a larger criminal conspiracy. Later books widen the field, moving from London drawing rooms and Oxford spiritual circles to bigger political and philosophical intrigue. Across the series, Hendricks keeps the pace brisk while letting Sir Errol's voice do a lot of the work.
The setting is one of the pleasures here. Edwardian London is not just wallpaper. It gives the series its texture, its class tensions, and its constant sense that old rules are starting to wobble. Sir Errol moves through clubs, streets, universities, train stations, and country houses, all while brushing up against real historical figures. The books enjoy that overlap between fiction and history. Familiar names appear, but the stories never become stiff lessons. They stay playful.
Another key piece is Sir Errol's relationship to the detective tradition itself. Sherlock Holmes exists on the edge of this world, which gives the series a sly, self-aware streak. Hendricks is clearly writing in conversation with classic British mysteries, but he is not trying to sound like a museum piece. The dialogue is lively, the humor is broad when it wants to be, and the books are comfortable letting absurdity sit beside real danger.
The later adventures raise the stakes without losing the charm. The Case of The Oxford Rasputin pushes Sir Errol toward a charismatic spiritual leader and the mystery of vanished followers. The Case of Ludwig Wittgenstein's Secret Notebook stretches outward into prewar Europe, mixing romance, philosophy, and political unrest with the central puzzle. Even as the canvas gets larger, the series stays anchored in Sir Errol himself, his appetites, his intuition, and his gift for stumbling toward the truth in style.
If you are coming to these books fresh, expect a historical mystery series that is more amused than solemn. There are crimes to solve, secrets to uncover, and real stakes beneath the jokes. But the lasting draw is Sir Errol Hyde, a detective who brings brains, ego, appetite, and mischief into every room he enters.
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