Citadel

Citadel is a pulse-pounding archaeological thriller by American author Kevin Tumlinson, part of his acclaimed Dan Kotler series that blends action-adventure storytelling with fascinating historical and scientific intrigue. Tumlinson has built a reputation for crafting fast-paced, intelligent thrillers that keep readers flipping pages deep into the night.

In Citadel, archaeologist and FBI consultant Dan Kotler is pulled into a dangerous mission involving ancient secrets buried within a fortified stronghold. As layers of history are peeled back, a modern conspiracy with global consequences begins to surface, forcing Kotler to race against time and deadly adversaries to uncover the truth.

Tumlinson's writing is crisp, cinematic, and deeply researched, weaving real historical detail into a story that feels as credible as it is thrilling. The character of Dan Kotler is smart, resourceful, and deeply human, making him an immensely compelling lead that readers instantly root for and trust.

Citadel stands out for its perfect balance of intellectual depth and high-octane adventure. Fans of James Rollins, Clive Cussler, and Steve Berry will find in Kevin Tumlinson a worthy new voice, one who delivers both the excitement and the substance that lovers of the genre crave.