Pencil Warrior is a paperback storybook for Poptropica. It was released on November 8, 2012. It focuses on a super villain named Arthur Eraser who, with his Super Eraser, plans to steal parts of Poptropica islands and create his own island with them.
||Something sinister is erasing its way across Poptropica, and the only way to stop it is by re-drawing all the islands and re-creating the world before this new threat can erase every trace. This 64-page full-color doodle book is perfect for fans of Poptropica and anyone who loves to draw.
|—Poptropica Creators Blog