"Dragon's Heart" is a book that tells a story about incredible adventures and friendship between a man and a dragon. In this book, readers will immerse themselves in a magical world where there are great dragons that can lose their hearts. The main character of the book, the young knight Jaedon, goes on a dangerous quest to save the dragon from death. Through numerous trials, courage and sacrifice, the heroes are able to save not only the dragon, but also the whole world from evil forces. "Heart of the Dragon" is an exciting book that will teach readers the importance of friendship, faith and courage.