Trumpets to the West a novel of the U.S. Cavalry in action

"West Point cadet Quincy St. Clair, tapped for a dangerous assignment out west, experiences an attempt on his life, and from that grim moment on, Quincy knows he's living on borrowed time among fanatic, unseen enemies."@en
""The Civil War was a thunderhead on the horizon. Rebel agents infested the Army, their job to stop Western Union from stringing telegraph lines. Time after time, Washington sent counter-spies against the plotters but every one was killed. In desperation, Quincy St. Clair a West Point cadet, was tapped for the dangerous assignment. To carry out his orders, St. Clair had to desert and re-enlist as a trooper out West. There, an immediate attimpt was made to kill him. From that grim moment he knew he was living on borrowed time among fanatic, unseen enemies"--Page 4 of cover."
"The Civil War was a thunderhead on the horizon. Rebel agents infested the Army, their job to stop Western Union from stringing telegraph lines. Time after time, Washington sent counter-spies against the plotters but every one was killed. In desperation, Quincy St. Clair, a West Point cadet, was tapped for the dangerous assignment. To carry out his orders, St. Clair had to desert and re-enlist as a trooper out West. There, an immediate attempt was made to kill him. From that grim moment he knew he was lving on borrowed time among fanatic, unseen enemies."