WINNER 2016 SHELF UNBOUND AWARD The adventure begins in the first Dan Kotler archaeological thriller! An ancient medallion is unearthed in Pueblo, Colorado, rev

Crashing is the easy part. Book One of the Citadel Series It’s been more than a century since humanity escaped the overpopulation of Earth, expanding out amon

SOME TESTS ARE LIFE OR DEATH DAN KOTLER—Archaeologist, occasional FBI Consultant, certified Trouble Magnet—just wanted a vacation. And an invitation to help

FORGOTTEN SECRETS UNLEASH A RISING DARKNESS IN THE WORLD The Demon Core—history records that the third and final plutonium core meant for Hiroshima was destro

When an ancient map of Antarctica is found to be a forgery, it reveals an enigma of history and a terrifying modern-day threat. For the past two years, Gail McC