Night of the Ninth Dragon

In this adventure, Jack and Annie are whisked back to the Middle Ages where they meet King Arthur, Queen Guinevere, and a brave black knight. They must find the missing Dragon of the Red Dawn and unravel the secret of the Ninth Dragon to save Camelot. The magic tree house whisks Jack and Annie through space and time to find that the castle of Camelot has been attacked and King Arthur has been gravely wounded. To save the kingdom—and the king—Jack and Annie have only one day to solve a riddle that will help them find a missing dragon! Formerly numbered as Magic Tree House #55, the title of this book is now Magic Tree House Merlin Mission #27: Night of the Ninth Dragon.