Viking Longship (Books)

Viking longships are ships used by Vikings to sail.

Abilities/Purpose
Longships are the primary mode of transportation when traveling by water for long distances. They can either be wind powered by the use of sails, or human powered by the use of oars.

How to Train Your Dragon (series)

 * How to Train Your Dragon (Book)
 * How to Be a Pirate
 * How to Speak Dragonese
 * How to Cheat a Dragon's Curse
 * How to Twist a Dragon's Tale
 * How to Twist a Dragon's Tale
 * How to Break a Dragon's Heart
 * How to Betray a Dragon's Hero
 * How to Fight a Dragon's Fury