"An excellent mystery combined with brilliant historical detail." -Kirkus Reviews April 13, 1861: Rebel troops are across the Potomac River, only 800 feet from the White House and President Lincoln-but a murderer is even closer . . . As the Civil War begins, an invasion of Washington, DC, seems imminent. Lincoln's trusted aide, Adam Speed Quinn, and Quinn's old friend, Senator Jim Lane, hastily assemble a motley crew of just over a hundred...