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She thought it was a joke.
Now it’s a deadly game.
Keira teams up with former Navy SEAL Cade Hartford. Together they race to outmaneuver a dangerous stalker the police can’t stop before he claims the ultimate prize— Keira.
"By now the trademark adventure and intensity should be expected." ~ Reader Review
Welcome to Award-winning Mavery Ellscott's World of
High-Octane Twisty Thrillers Laced with Romance and Humor
Mavery Ellscott
Mavery writes action-packed suspense thrillers with twisty plots, sharp banter, and a touch of romance. Her Shadow Defense Security series has earned award recognition, including a Global Book Awards Silver Medal for Shadow Storm and a Top Ten semi-finalist spot for Shadowed Alliances in the Clive Cussler Foundation Adventure Writers Competition.
Mavery’s love of storytelling started early. Not one to shy away from a challenge, she... more
It all starts with the FREE series prequel novella....
Shadowed Liaison
One mission. One lie. One chance to survive.
When their mission takes a dark turn, Cade must cast aside his feelings for Maddison and find out what she’s hiding.
But what price is he prepared to pay to get to the truth?
Join my mailing list to recieve a FREE copy of my novella.
Shadow Defense Security Thriller books deliver a complete investigation. Best enjoyed in order, but written so you can jump in and still get a full, satisfying story. An an overarching conspiracy connects the series and recurring characters cross over.
Available on Amazon and Kindle Unlimited
BOOK 8
COMING
JULY 2026
★★★★★ Shadow Defense Security is back with Shadowed Designs. The next book in the series. And you can bet that this book is just as good if not better than the previous ones!
~ Shadowed Designs, Reader Review
NEW RELEASE
More Reviews...
★★★★★ As I have mentioned in previous instalment reviews, would translate well onto the big screen- or make a great, long-running, television series also. I can’t wait for more from Ms. Ellscott!
~ Shadowed Designs, Reader Review
NEW RELEASE
Latest Updates
May 4, 2026
Book 8 - Returning Characters
I just couldn’t decide who to choose as recurring characters in Book 8. So, I left it blank in my plot outline and… inspiration hit. Remember Finlay and Drake from Shadowed...
Book 8 - Returning Character
The first act of Book 8 is shaping up and I think you’re going to have a lot of fun with the new characters, Quinn and Greyson. Yes, Greyson is back in his own adventure.
Book 8 - Research Rabbit Hole
I’m partial to Mustangs, but I wanted a distinctive, heavier muscle car for one particular bad guy, so I went with the 2023 Dodge Charger SRT Hellcat. Sports car enthusiasts, any other suggestions?
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Seven Stand-alone Thrillers. One explosive series.
