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