Welcome to the website of author Pat Krapf

If you like heart-racing techno-thrillers with a bold female lead character and an intelligent canine partner who are both willing to risk their lives to solve a mystery, then you’ll love the Darcy McClain and Bullet Thriller Series.


Book 4


Now Available!

Out for a run in Keller, Texas, Darcy McClain and her giant schnauzer Bullet find a canvas sack submerged in a creek. Inside are the pulverized remains of renowned geneticist Dr. Cate Lord, who has been receiving death threats for her alleged research on human cloning...

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Darcy McClain and Bullet Thriller Series

Book 3

Book 2

Book 1

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In Pat Krapf’s fourth and best thriller yet, expect the unexpected. As always, we get vivid descriptions of the settings as the beloved sleuths, and relatives from previous books, reunite with new and interesting characters. Don’t miss out on this one!
—Kathy Penak on CLON-X
“Those who love well-written and well-researched mysteries, and anyone who enjoys a really thought-provoking story.”
—Michelle Willms, Let’s Talk About Books on Genocide
Gadgets is an awesome book from start to finish! Love Pat Krapf’s writing!”
—Jane Chism on Gadgets

“Krapf kicks serious butt with her ending… Awesome book!”
—Kathryn Bullon on Brainwash

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About Pat

Patricia “Pat” Krapf is the author of the Darcy McClain and Bullet Thriller Series. Her novel Gadgets won the “Betty L. Henrichs Award for Best Publishable Mystery Novel” awarded by the Greater Dallas Writers’ Association. Pat spent her formative years abroad and is still an avid traveler. Many of the settings for her novels are inspired by places she has lived or visited. A prolific blogger on her Hardwired Blog, she writes numerous posts about her travels as well as her writing process. Pat lives in Texas with her husband and their 100 pound giant schnauzer Bullet.