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Cascade Witness: A Luke McCain Novel

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During a routine patrol along the Yakima River, Washington Department of Fish and Wildlife officer Luke McCain encounters a terrified young woman fleeing a man she believes killed two people in a homeless camp in Seattle. Her story convinces Luke to contact his wife, FBI Special Agent Sara McCain, who goes to work with Seattle Police to identify and locate the killer before he finds the woman and makes the potential witness his next victim.

Meanwhile, Luke uncovers a group illegally excavating prehistoric mammoth bones on state land. As he and his dog Jack confront the armed diggers, Sara’s case reveals a chilling link between a possible serial killer and the witness’s shadowy pursuer. Their investigations collide in the foothills of the Cascade Mountains, where Luke and Sara must stop a calculating killer and expose greed-driven criminals threatening history itself.

Praise for Cascade Witness:
"Outdoors writer Rob Phillips produces yet another page-turner, further demonstrating his extensive, first-hand knowledge of central Washington State’s backcountry and his mastery of the quick and compelling thrill ride of a suspenseful read. . . . You don’t have to read Cascade Witness in one sitting, but you’ll want to."
--Adriana Janovich, Associate Editor of Washington State Magazine and author of Unique Eats and Eateries of Spokane

"From the streets of Seattle to the backwoods of the Cascades, Rob wraps intrigue, gripping storylines and memorable characters into this thriller that brings Luke McCain and his wife Sara together to solve another riveting mystery.
--Trey Carskadon, outdoor writer

257 pages, Kindle Edition

Published February 25, 2025

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About the author

Rob Phillips

12 books65 followers

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Community Reviews

5 stars
484 (64%)
4 stars
220 (29%)
3 stars
37 (4%)
2 stars
9 (1%)
1 star
2 (<1%)
Displaying 1 - 23 of 23 reviews
Profile Image for Tommy Jacobs.
198 reviews4 followers
December 19, 2025
Rob Phillips is an excellent outdoors writer. He vividly describes the landscape and people while creating clever plot lines around game warden Luke McCain. I was a little hesitant when I read that the main story in this book follows a killer who is murdering homeless people in Seattle. But, Phillips proves up to the task. He creatively has multiple crimes (one with McCain in Yakima in addition to the murders in Seattle) and slowly melds the two storylines throughout the book. Suspense, excellent characters, an exciting end, and the trust Yellow Lab Jack make this one of the best Luke McCain books.

Excellent all around! 5/5 stars
Profile Image for Doug Phillips.
177 reviews17 followers
February 25, 2025
The latest Luke McCain novel is another winner. Of course, as my brother is the author, I always have to give the five-star rating, don't I?

In this endeavor, the author has given Luke's wife (Sara) a much more prominent role. It's interesting to read as the couple each work cooperatively on some aspects of two different cases.

As is always the case with the Luke stories, you'll encounter sights and scenes from across the state of Washington. The author has given the reader very timely challenges in the form of possible ancient bones, along with various individuals who live without homes.

From the start of the book, the reader is presented with the familiar characters found in the series. But, you can pick up and read any of the eight books in any sequence.

Cascade Witness is a great addition to the Luke McCain lineup.
69 reviews1 follower
July 31, 2025
Read all about it!

Nicely done, so enjoyed Luke and Sara working pretty much together on this case. Plus the storyline brings attention to homeless crisis in this country. I will be glad when another mystery adventure of these two and faithful pooch becomes available. Thanks for the good read.
573 reviews
May 25, 2026
Another really good read. I didn’t like it as much as his others but this was only because of the setting. I prefer the wilderness stories where Luke is roaming out with Jack, solving forest ranger type crimes. But this was still a five-star book for me, regardless of the subject not being completely my favorite.
12 reviews
March 4, 2025
Best of the best!

I have read all of Rob Phillips' books, and I think that this was his best one yet. I enjoyed all of the twists and turns, and it was great that Luke and Sara were able to work together. I am already looking forward to reading the next one.
60 reviews
March 8, 2025
Rob Phillips has done it again!

I have read several books written by the author, and every one has been an excellent, interesting read. They deal with various criminal activities, but the author avoids the swearing so common to books of this genre.
23 reviews
March 19, 2025
I enjoyed the book. Petty much a straight forward mystery. Flowed nicely, characters well define. Was a little surprised that there was no real surprise ending. I look forward to the next Luke McCain boot.
2 reviews
May 2, 2025
Great book

I enjoyed the depth of the description of the characters and the way they were brought to life.
The storyline was engaging and I appreciated the references to the homeless issues that are a fact of life.
All of these books have been engaging and entertaining.
2 reviews
July 23, 2025
Love the whole Cascade series

Likeable main characters and interesting plots make the whole series great before bedtime reading. These are also clean books which I much appreciate.
6 reviews
March 1, 2025
Love the Luke McCain books.
I have read them all.
Rob Phillips is a great wrighter!
Profile Image for Linda grogan.
8 reviews1 follower
March 3, 2025
Awesome

I have read all of his books. I live in east Washington. And I find his stories hit home with lots of truths. Keep up the great stories!
251 reviews
March 6, 2025
An Eye Witness to Murder?

All I can say is the “Rifleman” did it again. I have enjoyed all eight adventures of Luke, Jack and company. Please continue this series. Thank you.
Profile Image for Shawna S.
573 reviews4 followers
March 8, 2025
Great action

This was an action-packed one.

It was great Luke crime prevention story line, and Sarah's got a Rouge Dr. she is trying to protect a homeless population from.
Profile Image for helen bunker.
7 reviews
March 19, 2025
This author is one of the best!

Read two of his novels, they were both great reads. Love the outdoors aspect, the wilderness and wildlife. Highly recommend to all.
3 reviews
April 19, 2025
very good book

It only took ten or so pages to get involved. Didn’t get lost with the story lines and people. Just a good read.
61 reviews
April 30, 2025
Another great story

I think I read this book in record time for me. I have enjoyed all of this series of Luke McCain.
I look forward to more books by Rob Phillips.
7 reviews
June 1, 2025
Great read

There's nothing better than a dog and a cute girl and an FBI agent and a wildlife ranger. Add an involved plot with a satisfying ending for real pleasure.
339 reviews3 followers
August 10, 2025
Great read!!

Another page Turner from the Cascade Mountains of Washington State. Very believable plots and dialogue and NO typos!!!! Very important to me.
16 reviews
August 16, 2025
Very entertaining.

Mr
Phillips writes a very interesting and believable story. I've read all of the books in this series and have found them all very entertaining. So will you.
Profile Image for Mike Matteson.
53 reviews
Read
December 12, 2025
Homeless living

I have dear most of Luke McCain books and this one like all the rest kept reading when I should have been sleeping. Great read.
Profile Image for Linda Gettig.
206 reviews
March 12, 2026
Another excellent book

The characters in this story are described so well that you just might think you personally have met and know them.
49 reviews1 follower
August 12, 2026
Great Read

I really enjoyed this book not only the mystery surrounding the homeless camp but about digging for bones. Great lead to the next one.
19 reviews
March 11, 2025
Cascade Witness

An excellent series. Believable characters and highly interesting plots make for a read that is difficult to put down. I am definitely looking forward to the next book in the series.
Displaying 1 - 23 of 23 reviews