Backflash by Richard Stark

Page 33:

When the car stopped rolling, Parker kicked out the rest of the windshield and crawled through onto the wrinkled hood, Glock first. He slid to the left, around the tree that had made the Seville finally jolt to a stop, and listened. The siren receded, far upslope. The woods held a shocked silence, after the crash; every animal ear in a hundred yards was as alert as Parker’s.

The Outfit by Richard Stark

Opening Lines:

When the woman screamed, Parker awoke and rolled off the bed. He heard the
plop of a silencer behind him as he rolled, and the bullet punched the
pillow where his head had been.

Firebreak by Richard Stark

Opening lines:

When the phone rang, Parker was in the garage, killing a man. His knees pressed down on the interloper’s back, his hands were clasped around his forehead. He heard the phone ring, distantly, in the house, as he jerked his forearms back; heard the neck snap; heard the phone’s second ring, cut off, as Claire answered, somewhere in the house.