Vanished Trails (Maddie Castle Book 4)

Name: Vanished Trails (Maddie Castle Book 4)
Price: 0.99 USD
Availability: InStock
Rating: 4.5 (11577 reviews)
Author: L.T. Ryan

by L.T. Ryan

Mystery Thriller Thriller

4.5 (11,577)

4.5 stars from 11,577 reviews. One of the highest rated Mystery Thriller books we track.

$0.99KU80% off peak

Last checked: Jun 21, 2026

Read free with Kindle Unlimited

Price history: $4.99 – $4.99

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Price range: $4.99 – $4.99

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Perfect for you if...

You love crime thrillers with a personal stake, where the investigator's own trauma bleeds into the case they're chasing.
You're drawn to stories featuring capable female leads who work alongside animals (Maddie's K9 partner Tempest is integral to the mystery).
You want a series where each book deepens character arcs without requiring you to start at book one, though this is the fourth Maddie Castle novel.

Maybe not for you if...

You prefer closed-room mysteries or procedurals with tidy resolutions. This one spirals into Pennsylvania wilderness and hidden enemies with mounting danger.
You're looking for cosy crime or lighthearted banter. The tone is dark, centred on personal tragedy and the cost of obsession.
You prefer standalone novels. This is book four in a series, and Maddie's history matters to how you'll experience the story.

About this book

Six kids entered the woods, but only five emerged. The disappearance of 18-year-old Liz Turner creates turmoil among her close-knit group of friends as they prepare for college. Without a body, the police investigation stalls, leaving the case uncertain. Maddie Castle, dealing with personal tragedy, becomes involved when Daisy Miller—her boyfriend's sister-in-law—vanishes. Seeking answers and redemption, Maddie partners with Detective Ashley Harper, who is investigating Liz Turner's case. In exchange for Harper's help with Daisy's disappearance, Maddie must use her instincts and her K9 partner, Tempest, to investigate Liz Turner's life. As Maddie and Harper pursue the investigation from the Pennsylvania wilderness into a world of hidden threats, they uncover layers of danger and deceit. Each discovery about the truth brings them closer to their own peril.

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Price History

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

$4.99 – $4.99

Currently on sale at $0.99 — 80% off peak. Price has dropped 1 time over the last 3 years.

Sales Rank

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

Currently #7,814 in the Kindle store — a top-10K bestseller. Sales have softened 72% recently.

Rating & Reviews

Purple line = star rating over time. Blue area = total review count growth.

Currently 4.5★ from 11,577 reviews

Gaining approximately 400 new reviews per month. Reader interest is accelerating. Rating has dipped slightly from 4.8 to 4.5.

Sale Prediction

Actual Predicted

This book is currently discounted at $0.99. It typically returns to around $4.99.

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.