Remorseless is bestselling author, JC Ryan’s 16th book in the Rex Dalton series.

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A secret hidden from Rex for over sixteen years.

When Rex’s college sweetheart reaches out to him after years of no contact, Rex has no idea that the trajectory of his life is about to change forever.

Not only is she dying of cancer, she also has twins. Rex’s twins. One of the kids, his daughter Courtney, has been abducted by a child sex ring, and the police are making no headway in locating her.

Though rattled by these revelations, Rex vows to find Courtney and bring her back to her mother before the cancer kills her.

Rex, Digger, and their usual team set out to hunt down the trafficking ring and take Courtney home, but what they find in the process is an even uglier mess than they could have imagined, infecting all of America. What’s more, other world powers might be in on it, too.


Reviewed on Amazon in the United States on July 1, 2023

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“Even if this is your first Rex Dalton thriller (and, it won’t be your last), the author gives a short back story of the various characters, bringing you up to speed in no time. All of the characters are realistic and three dimensional. My favorite character, after Rex, is Digger, the Australian shepherd he inherited following the death of a good friend. Digger is extremely talented and easily figures out how to act when Rex and Catia are undercover. He is known for his smiles, which can be quite charming or quite horrifying, depending on his feelings toward you. I won’t summarize the plot, since other reviewers have done it so well. I will say that this is a book you will not want to put down. The action becomes quite intense at times, but is never gory nor gruesome. There were a few parts that were rather unsettling because the book deals with the horrible crime of child sex trafficking. Rex learns that those in authority turn a blind eye to this crime, and often are criminally involved themselves. The author is not afraid to write about current issues and to bring them out of the shadows. Humor is thrown in as the characters joke with one another, and then you will be back on the edge of your seat. I highly recommend this book, and the entire series, to anyone who enjoys a good thriller with intelligent characters and a well planned and executed plot. I don’t know how he does it, but this author continually manages to surpass the previous books in this series.”


About the author, J.C. Ryan:

Since the publication of his first book, ‘The Tenth Cycle,’ JC Ryan’s books received high acclaim from readers who bought more than 800,000 of his books and read more than 57 million pages.

Before he started writing mystery-suspense novels, Ryan got a military degree and served as an officer in the military for seven years before a crippling back injury forced him to change careers. He returned to university, studied law, and became a lawyer, running his own private practice for more than fifteen years before he moved to another country, became an IT project manager, and finally, in 2014, got the opportunity to pursue his lifelong dream of being a writer.

If you want to know more about JC Ryan and when his next book will come out, please visit his website at, where you can download free eBooks and sign up to receive an email when he is about to release a new book.