The #1 bestselling chapter book is now a graphic novel! Magic. Mystery. Time-travel. Get whisked back to the time of medieval knights with Jack and Annie!A castle. A knight. A quest! When the magic tree house whisks Jack and Annie back to the Middle Ages, they're looking for a knight. Instead, they find the Great Hall of a castle where a feast is under way. But Jack and Annie aren't exactly welcome guests! For the first time in graphic novel--live the adventure again with new full-color vibrant art that brings the magic to life!