"In graphic novel format, tells the story of the Vikings' exploration of the North Atlantic Ocean"--Provided by publisher.

Based on a concept by Wimpy Kid author Jeff Kinney comes Poptropica, a brand-new graphic novel adventure series by Jack Chabert and Kory Merritt. In Mystery of the Map, Oliver, Mya, and Jorge take a ride in a hot-air balloon, only to crash-land on an unknown island filled with extinct animals and a horde of angry Vikings. Welcome to Poptropica, an uncharted group of islands whose existence is hidden from the rest of the world. As the three friends...

Volume 1. "Sven is living the high life in Constantinople--the Las Vegas of the 11th century--when he learns of his father's death and sets out to the frigid islands of the North Sea to reclaim his birthright. Intending only to take his money and run, he discovers far more than he bargained for back at home. What follows is a bloody quest to free his people, a struggle to discover his place in a rapidly changing world, and an introduction to the awful...