Beneath the Grove (Maddie Castle Book 7)

Beneath the Grove (Maddie Castle Book 7)

by L.T. Ryan

4.5 (5,123)

4.5 stars from 5,123 reviews. One of the highest rated Mystery Thriller books we track.


$0.99KU83% off peak

Last checked: May 17, 2026

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Fans of these authors will like this...

  • Lisa Gardner
  • Karin Slaughter
  • Tana French

Fans of these books will like this...

  • The Girl on the Train
  • Still Life
  • The Silent Patient

Perfect for you if...

  • You love psychological thrillers with a strong female lead who gets in over her head but won't quit.
  • You're gripped by stories about closed-off communities harbouring sinister secrets beneath their wholesome image.
  • You've read other Maddie Castle books and want to see what impossible case she tackles next.

Maybe not for you if...

  • You prefer your thrillers to resolve neatly with clear heroes and villains rather than morally complicated choices.
  • You're looking for a standalone thriller rather than the seventh book in a series.
  • You find cult-related plots repetitive or need lighter fare with less psychological tension.

About this book

Maddie Castle, a private investigator, is hired by a desperate mother to find her missing daughter, Jasmine Armstrong. What begins as a search for a runaway leads Maddie to Willow Grove, a secluded community in rural Pennsylvania known for its self-sufficient lifestyle and promises of enlightenment. As Maddie investigates, she discovers that Willow Grove's peaceful exterior conceals dark secrets. The community has a history of disappearances and mysterious rituals, with members bound by allegiance to something or someone powerful. Jasmine has not simply vanished—she remains in Willow Grove but is no longer the person her family knew. The investigation grows increasingly dangerous as Maddie uncovers the truth about what holds Jasmine in the community. Extracting her may come at a deadly cost. With time running out, Maddie must determine how far she will go to expose Willow Grove's secrets and whether she is prepared for what she discovers. This seventh installment of the Maddie Castle series presents Maddie's most challenging case, where the boundaries between salvation and destruction become unclear.

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Price History

Kindle price over time. Green zones = periods when the book was free.

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Free$3.00$5.99Jan '25May '26
$5.99$5.99

Currently on sale at $0.99 — 83% off peak. Price has dropped 1 time over the last 16 months.

Sales Rank

Amazon sales rank: lower number = better selling book. #1 is the bestseller.

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#246#15,945#31,644Jan '25Oct '25Jan '26May '26

Currently #5,526 in the Kindle store — a top-10K bestseller. Sales have softened 28% recently.

Rating & Reviews

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4.0★4.5★5.0★Jul '25Aug '25Oct '25Nov '25Dec '25RatingReviews

Currently 4.5★ from 5,123 reviews

Gaining approximately 791 new reviews per month. Reader interest is surging. Rating has remained stable at 4.5 over the tracking period.

Sale Prediction

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Free$3.00$5.99Jan '25May '26PredictedMay '26

Actual Predicted

This book is currently discounted at $0.99. It typically returns to around $5.99.

Prices shown in USD from Amazon US. We continuously pull new data to improve tracking. If dates look old, it usually means there has been no significant change since the last data point.

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L.T. Ryan

2 books on Vagrant Press

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