MICHAEL D. HARTLEY is the author of MOSQUITOES, THE CHALLENGE OF THE SKIES, and LION'S GATE. In the Ryan Moar mystery series, apart from FIREFALL, his published credits include DEADFALL, WINDFALL, ...view moreMICHAEL D. HARTLEY is the author of MOSQUITOES, THE CHALLENGE OF THE SKIES, and LION'S GATE. In the Ryan Moar mystery series, apart from FIREFALL, his published credits include DEADFALL, WINDFALL, NIGHTFALL, and FREEFALL.view less