• How to Be a Pirate
• Knock Three Times
• How to Twist a Dragon's Tale
• Twice Magic
• How to Train Your Dragon
• How to Train Your Dragon: How to Speak Dragonese
• How to Train Your Dragon: How to Fight a Dragon's Fury
• The Wizards of Once--Twice Magic
• How to Twist a Dragon's Tale (Hiccup)
• How to Cheat a Dragon's Curse (The Heroic Misadventures of Hiccup the Viking)
• How to be a Pirate's Dragon (Hiccup)
• How To Train Your Dragon: How to Betray a Dragon's Hero
• How to Train Your Dragon: How to Seize a Dragon's Jewel
• How to Train Your Dragon: How to Cheat a Dragon's Curse