Book Review: The Impossible Fortune: Thursday Murder Club, Book 5
By Jessica · 12 January 2026TL;DR
The Impossible Fortune is the fifth installment in Richard Osman’s Thursday Murder Club series, following the beloved retirement village gang as they embark on a high-stakes international treasure hunt. This entry successfully balances sharp British wit with poignant reflections on aging and the power of friendship. It is highly recommended for fans of cozy mysteries and character-driven stories, though new readers should start with the first book to fully appreciate the group's evolution.
Opening Hook
The residents of Coopers Chase are back, proving once again that retirement is anything but quiet. Richard Osman returns with The Impossible Fortune, the highly anticipated fifth installment of his record-breaking mystery series.
If you thought the Four had seen it all, think again. This time, the stakes reach international proportions, blending the gang’s signature charm with a treasure hunt that is as dangerous as it is hilarious.
About Richard Osman
Richard Osman is a British television presenter, producer, and novelist who became a global sensation with the release of his debut novel, The Thursday Murder Club. His background in creative production and his natural wit have made him one of the most successful crime writers of the decade.
Osman’s unique ability to balance poignant reflections on aging with laugh-out-loud humor has earned him a dedicated following. His deep understanding of human nature and British eccentricity makes every character in his books feel like an old friend.
📘 Author Background: Before becoming a bestselling author, Richard Osman was the creative director at Endemol UK and a beloved co-host on the BBC game show Pointless.
What This Book Covers
In The Impossible Fortune, Joyce, Elizabeth, Ibrahim, and Ron are pulled away from their puzzle room by a cryptic final wish and a vanished treasure. What starts as a local curiosity quickly spirals into a labyrinth of secrets involving decades-old mysteries and high-stakes pursuit.
Key insight: "The older you get, the more secrets you carry, but the Thursday Murder Club proves that those secrets are exactly what make life worth living—and solving."
The narrative explores themes of legacy, friendship, and the enduring power of curiosity. As the gang navigates a trail of clues that leads them further from home than ever before, they must rely on their collective wisdom to outsmart a new generation of criminals.
Key Takeaways
This installment reinforces the series' core philosophy while upping the ante on the central mystery.
- Friendship is the ultimate weapon - The bond between the four protagonists remains the heart of the story, serving as their greatest tactical advantage.
- Perspective is everything - Being underestimated as "elderly" allows the group to operate in plain sight, turning societal bias into a superpower.
- The past is never truly buried - Decades-old secrets have a way of resurfacing, requiring the unique historical perspective that only those who lived through them can provide.
💡 Pro Tip: If you are listening to the audiobook, pay close attention to the character voices; the narrator often drops subtle emotional cues that hint at the truth before the characters realize it.
Who Should Read This
This book is a must-have for anyone who enjoys mysteries that prioritize character depth and humor over grit and gore.
- Fans of Cozy Mysteries: If you love Agatha Christie but want a modern, witty update, this is for you.
- Audiobook Enthusiasts: The performance in this format brings the dry British humor to life perfectly.
- Readers of All Ages: While the protagonists are seniors, the themes of adventure and wit appeal to every generation.
Who Might Want to Skip
If you prefer hard-boiled noir or dark, gritty psychological thrillers with high body counts and graphic violence, the lighthearted tone of Coopers Chase might feel too "gentle" for your tastes.
How It Compares to Similar Books
Compared to The Bullet That Missed (Book 3), The Impossible Fortune feels more expansive in scope, taking the characters out of their comfort zones more frequently.
When placed alongside Anthony Horowitz’s Hawthorne and Horowitz series, Osman’s work is significantly warmer and more focused on ensemble dynamics rather than just the brilliance of a lone detective.
It also shares DNA with Janice Hallett’s The Appeal, though Osman focuses more on traditional narrative flow rather than epistolary formats, making it a more straightforward and relaxing read.
Pros and Cons
What Works
- Sharp Dialogue: The banter between Ron and Ibrahim remains a highlight of the series.
- Emotional Resonance: Osman doesn't shy away from the realities of aging, making the triumphs feel earned.
- Pacing: The chapters are short and punchy, making it nearly impossible to put down.
What Could Be Better
- Complexity: Newcomers may find the sheer number of recurring side characters slightly overwhelming at first.
- Suspension of Disbelief: Some of the gang's escapes require a bit of "cozy mystery logic" to accept.
Frequently Asked Questions
Do I need to read the previous four books first?
While the mystery is self-contained, the character arcs and relationships are deeply rooted in previous books. You will enjoy it much more if you start from the beginning of the series.
Is the audiobook better than the physical book?
Many fans prefer the audiobook because the comedic timing and British accents enhance the "cozy" atmosphere. Richard Osman’s writing style translates exceptionally well to spoken word.
Is this the final book in the series?
Richard Osman has hinted that he will continue writing about the Thursday Murder Club as long as readers want to hear from them. There is no indication that the series ends here.
How "dark" does the mystery get?
The series is classified as cozy crime. While there are murders and dangerous situations, the books focus on wit and resolution rather than graphic descriptions or trauma.
What is the "Impossible Fortune" referred to in the title?
The title refers to a hidden treasure and a cryptic legacy left by an old acquaintance, which serves as the primary catalyst for the plot.
Is Elizabeth still the leader of the group?
Elizabeth remains the tactical mastermind, but Joyce’s role continues to grow, proving that her social intelligence is just as valuable as Elizabeth’s spy training.
Final Verdict
The Impossible Fortune is a triumphant return for the world's most unlikely detectives. It balances the high-stakes tension of a treasure hunt with the gentle, domestic charm that made the series a phenomenon in the first place.
Richard Osman has managed to keep the formula fresh by deepening the emotional stakes for Elizabeth, Joyce, Ibrahim, and Ron. It is a masterclass in modern mystery writing that leaves you feeling better about the world than when you started.
Rating: 4.8/5
"Life is short, but the Thursday Murder Club reminds us that as long as there is a mystery to solve and a friend to share a glass of wine with, the adventure never truly ends."
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