7 MILLION COPIES SOLD OF THE SERIES THAT INSPIRED THE HIT MOVIES! Action-packed, hilarious, and perfectly illustrated, the How to Train Your Dragon series is a beloved modern classic with millions of fans across the globe. Journey into the adventure that started it all for Hiccup and Toothless! When Hiccup finds a coffin at sea, he opens it to discover a riddle that will lead to the treasure of Grimbeard the Ghastly, the world's greatest pirate and Hiccup's ancestor. So Hiccup and his friends set out on a treasure hunt, determined to master the art of swordfighting. How else will they escape an island of murderous dragons, defeat a boatload of Viking pirates, and survive all the twists and turns their journey will bring? Don't Miss: How to Train Your Dragon How to Be a Pirate How to Speak Dragonese How to Cheat a Dragon's Curse How to Twist a Dragon's Tale A Hero's Guide to Deadly Dragons How to Ride a Dragon's Storm How to Break a Dragon's Heart How to Steal a Dragon's Sword How to Seize a Dragon's Jewel How to Betray a Dragon's Hero How to Fight a Dragon's Fury For more fantastic stories from Cressida Cowell, don't miss the out-of-this-world Which Way to Anywhere adventures, and The Wizards of Once series.