How to Speak Dragonese

Climbing onto a Roman Dragon Rustling ship by mistake in your first Boarding an Enemy Ship lesson is bad enough.But then discovering Alvin the Treacherous is also on board proves to Hiccup he couldn't have been more wrong, especially when Alvin steals his copy of How to Speak Dragonese.Can Hiccup save the dragons and the day?

Book added Thanks to Tigrena