The Queen of Paranormal Romance ("USA Today") continues her breathtaking GhostWalkers series. Saber Wynter is running from her past when she meets former Navy SEAL and GhostWalker Jess Calhoun. The riddles of both their pasts are about to collide, shattering the promise of their future with the ultimate betrayal. Original. The new Ghostwalker novel from the #1 "New York Times" bestselling author Saber Wynter is running from her past when she meets ex-Navy SEAL and Ghostwalker Jess Calhoun. But the riddles of both their pasts are about to collide, shattering the promise of their future with the ultimate betrayal.