When a renowned spelunker vanishes without a trace in Castleton's legendary caverns, the sleepy Derbyshire village becomes the unlikely centre of a baffling mystery that will keep you guessing until the very last page.

Retired headmistress Eleanor Hartley just wanted a quiet life in the Peak District, walking her terrier and enjoying cream teas. But when American cave explorer Dr. Marcus Webb disappears during a private tour of the Blue John Cavern, Eleanor finds herself reluctantly drawn into an investigation that the local police seem oddly keen to wrap up quickly. With only her sharp wit, her encyclopedic knowledge of village gossip, and an unlikely alliance with Webb's skeptical daughter, Eleanor must navigate a labyrinth of secrets both above and below ground.

Perfect for fans of Richard Osman and M.C. Beaton, this unputdownable cozy mystery delivers:

• A charming Peak District setting with vivid descriptions of Castleton's historic caverns, quaint tea rooms, and tight-knit community • A clever, witty protagonist who proves that retirement is just the beginning of life's greatest adventures • A perfectly-plotted puzzle filled with red herrings, eccentric villagers, and surprising twists that will keep you turning pages late into the night

As Eleanor digs deeper, she uncovers connections between the disappearance and a decades-old mining scandal, a priceless Blue John stone collection, and rivalries that run as deep as the caverns themselves. But someone in Castleton doesn't want the truth to surface?and they'll stop at nothing to keep the past buried.

This feel-good British mystery combines gentle humor with genuine suspense, proving that you're never too old to solve a murder... or prevent one.

If you love cozy mysteries with heart, humor, and a distinctly British flavor, discover why readers are calling The Castleton Cavern Vanishing "unputdownable" and "the perfect blend of Miss Marple and modern charm."

Grab your copy today and escape to the Peak District for a mystery you won't forget!