D.L. Maddox
10 books, mostly thriller, for TIER Books LLC and TIER Books, 2025–2026
D.L. Maddox is the pen name of an established fiction writer who writes psychologically driven thrillers centered on human behavior, identity, survival, and resilience. Maddox’s writing career includes The Dog Walker psychological-thriller series and other suspense novels, featuring emotionally complex protagonists, layered mysteries, and escalating danger.
Publishers
10 audiobooks
The Kate Mercer Files
D.L. Maddox
July 27, 2026
Always at Midnight
D.L. Maddox
July 21, 2026
The Man with the Key
D.L. Maddox
June 23, 2026
The Super
D.L. Maddox
June 2, 2026
The Dog Walker: The Complete Set
D.L. Maddox
January 30, 2026
The Dog Walker: Reckoning
D.L. Maddox
January 23, 2026
The Dog Walker: Stolen
D.L. Maddox
December 18, 2025
The Dog Walker: Killer
D.L. Maddox
November 20, 2025
The Dog Walker
D.L. Maddox
August 21, 2025
The Dog Walker, The Prequel
D.L. Maddox
July 18, 2025
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