Is thear another how to train your dragon book?

There are 12 books in the How to Train Your Dragon series by Cressida Cowell. They are:

1. How to Train Your Dragon

2. How to Be a Pirate

3. How to Speak Dragonese

4. How to Cheat a Dragon's Curse

5. How to Twist a Dragon's Tale

6. A Hero's Guide to Deadly Dragons

7. How to Ride a Dragon's Storm

8. How to Break a Dragon's Heart

9. How to Steal a Dragon's Sword

10. How to Seize a Dragon's Jewel

11. How to Betray a Dragon's Hero

12. How to Fight a Dragon's Fury