Hanging by a Thread by Randall Garrett

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Hanging by a Thread by Randall Garrett

(4 User reviews) 702

By Frederick Richter Posted on Mar 18, 2026

In Category - Density

Authors: Garrett, Randall, 1927-1987 Published By : Garrett, Randall, 1927-1987

Book Language: English

You know those mysteries where you think you've got it all figured out, and then the rug gets pulled out from under you? 'Hanging by a Thread' is exactly that kind of book. It starts with a classic locked-room puzzle: a man is found dead in his study, the door bolted from the inside, and the only clue is a single, impossibly placed thread. But as detective Sir Henry Merrivale starts pulling on that thread, the whole case unravels into something much bigger and more dangerous than anyone expected. It's a wild ride of logic, misdirection, and pure fun. If you love watching a brilliant detective piece together a puzzle that seems to defy all reason, this one's for you. Just when you think you're ahead, Garrett throws another curveball that'll have you flipping back pages to see how you missed it.

File: Hanging by a Thread by Randall Garrett

Randall Garrett's Hanging by a Thread is a golden-age mystery that feels both comfortably familiar and surprisingly clever. It stars Sir Henry Merrivale, a detective who's more bulldog than gentleman, and he's faced with one of his most baffling cases yet.

The Story

A wealthy industrialist is found shot dead in his locked study. The door is bolted shut from the inside, the windows are sealed, and there's no weapon in the room. The only thing out of place is a short piece of thread, caught high up on the doorframe where it shouldn't be. It's a classic 'impossible crime.' Sir Henry is called in, and he quickly realizes the thread is the key to everything. But solving how the murder was done is only the first step. The why leads him into a tangled web of business rivalries, family secrets, and a second, even more shocking crime that seems just as impossible. The race is on to stop the killer before they strike again.

Why You Should Read It

This book is a masterclass in plot construction. Garrett plays completely fair with the reader—all the clues are there—but he layers them with such skill that the final solution feels both astonishing and perfectly logical. Sir Henry is a delight; he's grumpy, brilliant, and utterly relentless. The joy isn't just in the 'whodunit,' but in the 'howdunit,' watching every bizarre piece snap into place. Beyond the puzzle, there's a real sense of momentum. Once Sir Henry starts pulling that thread, the story doesn't let up until the very last page.

Final Verdict

Hanging by a Thread is perfect for anyone who misses the clever, clue-driven mysteries of the past. If you're a fan of Agatha Christie's Poirot or John Dickson Carr's impossible crimes, you'll feel right at home here. It's also a great pick for modern thriller readers who want to see where the genre's best tricks came from. This isn't a gloomy, gritty novel—it's a bright, challenging, and enormously entertaining brain-teaser. Clear an afternoon, grab your favorite drink, and get ready to be outsmarted by a grumpy old detective and a very clever author.