Wings of Fire. Book 16, The Hybrid PrinceWings of Fire. Book 16, The Hybrid Prince

"Umber followed the clawmarks (if that's what they were), finding one every few trees until he reached what seemed to be the halfway point of the beach. To his left, the island curved away out of sight, and to his right, a stretch of craggy rocks trailed into the ocean and cut off the view beyond... And here, at the midpoint, the clawmarks changed. Umber felt a chill run through his scales. There were words carved into the trees. Not safe here, the jagged letters read. Keep going."-- ack cover.
The #1 New York Times best-selling series is back with a brand new tale! Discover what happens next in this thrilling addition to the Wings of Fire saga, where one of its biggest secrets will be revealed. In the and highly-anticipated sixteenth book, beloved author Tui T. Sutherland will answer the question her fans have been asking her for years.