**As recommended on Simon Mayo's Books of the Year** The third riveting story about orphan heiress, Nat Walker, and her robot dragon, Fizz. Nat has faithfully followed the clues her father has left her from beyond the grave, and she is closing in on the prize. Soon, all will become clear and her future path will be determined. But it will be a dangerous one, and not for the faint-hearted... The third in a page-turning trilogy that brilliantly combines action and adventure with a search for family and knowledge. Completely gripping! Look out for Crimson Poison and Emerald Secret. Cover illustration by Alessandro Talexi Taini.