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, theyre looking for a knight. Instead, they find the Great Hall of a castle where a feast is under way. But Jack and Annie arent 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