deadly edge: a parker novel (parker novels book 13)  <p><i>deadly edge</i> bids a brutal adieu to the 1960s as parker robs a rock concert, and the heist goes south. soon parker finds himself—and his woman, claire—menaced by a pair of sadistic, strung-out killers who want anything but a summer of love. parker has a score to settle while claire’s armed with her first rifle—and they’re both ready to usher in the end of the age of aquarius.</p>