What do a minch-wiggin, a Queen, and a rather large magical pup have in common? They need to find the dragon that has turned their worlds upside-down - even if it means revealing all they want to keep hidden. There are Three Great Secrets in Hallow, a country that loves secrets almost as much as it loves green jellybabies. No, I'm not going to tell you anything more about them. I am a loyal citizen of Hallow, and would never betray-Oh, you have jellybabies?Green ones?Well, I suppose I could tell you a little more.Come closer. Open your ears and your heart, and pass the green jellybabies.I will tell you a story about an enormous magical pup, a child Queen and a very small minch-wiggin with the unfortunate title of Destroyer-of-Dragons. A fascinating tale filled with falsehoods, fortitude and friendship (and just the right number of green jellybabies), from the award-winning author of A Clue for Clara and Museum of Thieves.'Constant laughs, a fresh new world and characters to cheer: this book made me beam.' Jaclyn Moriarty'Full of secrets and mystery, with wonder on every page.' Kate Temple.