OATH OF OFFICE is book #2 in the bestselling Luke Stone series, which begins with ANY MEANS NECESSARY (book #1), a free download! A biological agent is stolen from a biocontainment lab. Weaponized, it could kill millions, and a desperate national hunt ensues to catch the terrorists before it is too late. Luke Stone, head of an elite FBI department, with his own family still in jeopardy, has vowed to walk away-but when the new President, barely sworn in, calls him, he can't turn his back on her.