Book Review: The Impossible Fortune: The new novel in the multi-million copy bestselling murder mystery series: 5 (The Thursday Murder Club, 5)
Book Review

Book Review: The Impossible Fortune: The new novel in the multi-million copy bestselling murder mystery series: 5 (The Thursday Murder Club, 5)

JessicaBy Jessica · 7 May 2026

TL;DR

The Impossible Fortune is a poignant and witty fifth installment in the Thursday Murder Club series that balances a high-stakes digital mystery with a deeply emotional exploration of grief and aging. It is highly recommended for fans of character-driven cozy crime who appreciate sharp British humor and a narrative that values emotional depth as much as the central puzzle. To fully appreciate the evolving character arcs, readers should ideally experience the previous books before diving into this melancholic yet heartwarming adventure.

The Return of the Coopers Chase Crew: A Deep Dive into The Impossible Fortune

The Thursday Murder Club is back, and the stakes have never been higher—or more personal. Richard Osman’s fifth installment, The Impossible Fortune, brings our favorite septuagenarians out of a quiet spell and back into the line of fire.

Blending laugh-out-loud wit with poignant reflections on aging and grief, this novel proves why this series remains a global phenomenon. It is a masterclass in "cosy crime" that refuses to shy away from the complexities of the human heart.


About Richard Osman

Richard Osman is a British television presenter, producer, and novelist who became a household name as the creator and co-presenter of the BBC quiz show Pointless. His transition from TV personality to literary superstar has been nothing short of historic.

Osman’s debut novel, The Thursday Murder Club, broke numerous publishing records and established him as a leading voice in modern crime fiction. His ability to craft intricate puzzles while maintaining a deep sense of empathy for his characters is his signature strength.

📘 Author Background: Richard Osman's series has sold over 10 million copies worldwide, making him one of the fastest-selling debut novelists in UK history.


What This Book Covers

While Joyce is preoccupied with planning a wedding and Elizabeth navigates the heavy fog of grief, a new mystery knocks on the door of Coopers Chase. A wedding guest with a dark secret fears for their life, dragging the gang into a high-stakes hunt for an uncrackable code.

Key insight: "Murder is never just about the victim or the killer; it’s about the ripples of life left behind in the wake of the crime."

The plot weaves together Ron’s family struggles, Ibrahim’s continued therapeutic relationship with a notorious criminal, and a villain who will stop at nothing to obtain a digital fortune. It is a story about legacy, the digital age, and the enduring power of friendship in the face of mortality.


Key Takeaways

The novel offers several profound lessons wrapped inside its twisty mystery plot.

  1. Grief is a Process, Not an Event - Elizabeth’s journey shows that even the strongest minds need time to heal after profound loss.
  2. Technology is the New Frontier of Crime - The hunt for an "uncrackable code" highlights how modern villainy has shifted from the physical to the digital realm.
  3. Purpose Keeps You Young - The gang’s vitality is directly linked to their refusal to stop engaging with the world’s problems.

💡 Pro Tip: Pay close attention to Joyce’s diary entries; Osman often hides the most subtle clues in her seemingly "rambling" observations about life.


Who Should Read This

This book is a versatile read that appeals to a wide variety of fiction lovers.

  • Fans of classic whodunnits who enjoy the style of Agatha Christie but want a modern setting.
  • Readers who appreciate character-driven narratives where the emotional lives of the protagonists are as important as the plot.
  • Anyone looking for humorous fiction that provides a "warm hug" feeling despite the presence of murder.

Who Might Want to Skip

If you prefer gritty, noir-style police procedurals with graphic violence and a nihilistic tone, the "cosy" atmosphere of Coopers Chase might feel too light for your tastes. Additionally, those who haven't read the previous four books may feel slightly lost regarding the character backstories.


How It Compares to Similar Books

The Impossible Fortune stands tall against its contemporaries in the "cosy mystery" genre. Compared to The Marlow Murder Club by Robert Thorogood, Osman’s work feels more grounded in the emotional reality of aging.

While Anthony Horowitz’s Hawthorne and Horowitz series focuses heavily on meta-commentary and the mechanics of writing, Osman focuses on the eccentricities of human nature. It remains the gold standard for books that balance humor with genuine suspense.


Pros and Cons

What Works

  • Character Development: Seeing Elizabeth deal with vulnerability adds a new, moving layer to her character.
  • The Dialogue: Osman’s wit is sharper than ever, particularly in the banter between Ron and Ibrahim.
  • Pacing: Short chapters and multiple perspectives make the 400+ pages fly by.

What Could Be Better

  • Plot Complexity: The technical aspects of the "uncrackable code" might feel slightly out of place for fans of the more traditional murders in earlier books.
  • Large Cast: New readers might find the sheer number of recurring side characters a bit overwhelming.

Frequently Asked Questions

Do I need to read the first four books before this one?

While the mystery is self-contained, the emotional arcs of the characters are continuous. You will get much more out of Elizabeth and Joyce’s friendship if you have followed them from the beginning.

Is this the final book in the series?

Richard Osman has hinted that the Thursday Murder Club will continue, though he is also working on a new series called We Solve Murders. The ending of this book leaves the door wide open for future adventures.

Is the book appropriate for younger readers?

Yes, the series is generally "clean" in terms of language and graphic content. It is a popular choice for both young adults and seniors alike.

What is the "Impossible Fortune" mentioned in the title?

It refers to a digital asset—specifically a code or key—that grants access to a massive sum of money that the villain is desperate to claim.

How does the tone compare to the first book?

It is slightly more melancholic due to the characters' personal losses, but it maintains the same DNA of British humor and clever plotting that made the first book a hit.

⚠️ Warning: Keep tissues nearby. This installment deals heavily with Elizabeth's mourning and is arguably the most emotional book in the series so far.


Final Verdict

The Impossible Fortune is a triumphant return for the Thursday Murder Club. Richard Osman has managed to do what many authors fail to do by the fifth book: he has evolved his characters without losing the charm that made us fall in love with them in the first place.

It is funny, heartbreaking, and genuinely puzzling. Whether you are in it for the mystery or the tea-and-biscuits camaraderie, this is a must-read for 2024.

Rating: 4.8/5

"Life is short, but a good mystery makes every minute feel like an adventure worth having."