Ruthless Rival (Cruel Castaways)

Ruthless Rival (Cruel Castaways)

by L.J. Shen

4.4 (19,197)

4.4 stars from 19,197 reviews. One of the highest rated Romance books we track.


$2.49KU50% off peak

Last checked: Jul 20, 2026

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Price history: $1.99 $4.99

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  • It Ends with Us
  • The Deal
  • Credence

Perfect for you if...

  • You love enemies-to-lovers stories where the past catches up with characters in unexpected ways.
  • You enjoy high-stakes romance where loyalty to family conflicts with genuine romantic feelings.
  • You're drawn to L.J. Shen's signature blend of angst, charm, and morally complex characters.

Maybe not for you if...

  • You prefer romance without heavy emotional baggage or unresolved family trauma.
  • You're looking for light, breezy reads without courtroom drama or revenge subplots.
  • You need your heroes to be unambiguously good people without questionable motivations.

About this book

Ruthless Rival is an enemies-to-lovers romance from Wall Street Journal bestselling author L.J. Shen about the tension between revenge and love. Arya Roth and her housekeeper's son were childhood best friends who developed romantic feelings. After Arya dared him to kiss her, a series of events led to his departure from her life. Two decades later, Arya works as a publicist and counts her father among her major clients. When her father faces a lawsuit from a former employee, Arya works to defend his reputation. The attorney leading the case against her father is Christian Miller—charming, ambitious, and attractive. Arya does not recognize him as the boy from her past. As Arya develops feelings for Christian, she discovers his true identity and learns of his desire for revenge against her father. She must then decide between her romantic feelings and her loyalty to her family.

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Price History

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

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Free$2.50$4.99Aug '21Dec '23Oct '24Feb '26
$1.99$4.99

Currently on sale at $2.49 — 50% off peak. Price has dropped 14 times over the last 5 years. Goes on sale roughly every 100 days. Typically stays discounted for 84 days.

Sales Rank

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

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#2#140,124#280,245Aug '21Jun '23Apr '24Jul '26

Currently #5,272 in the Kindle store — a top-10K bestseller. Sales have softened 95% recently.

Rating & Reviews

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

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3.5★4.3★5.0★May '23Dec '23May '24Apr '26RatingReviews

Currently 4.4★ from 19,197 reviews

Gaining approximately 197 new reviews per month. Reader interest is accelerating. Rating has remained stable at 4.4 over the tracking period.

Sale Prediction

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Free$2.50$4.99Aug '21Dec '23Oct '24Feb '26PredictedJul '26

Actual Predicted

This book is currently discounted at $2.49. 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.

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L.J. Shen

1 book on Vagrant Press

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