The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! Jack and Annie must help the famous writer Charles Dickens! The brother and sister are whisked back in time to Victorian England and the foggy streets of London. There, Jack and Annie discover that Charles Dickens has been thrown in jail! How can they help him? They will need all their magic???and help from three ghosts???to keep the great writer from ruining his life! Formerly numbered as Magic Tree House #44, the title of this book is now Magic Tree House Merlin Mission #16: A Ghost Tale for Christmas Time.Did you know that there???s a Magic Tree House book for every kid? Magic Tree House: Adventures with Jack and Annie, perfect for readers who are just beginning chapter books Merlin Missions: More challenging adventures for the experienced reader Super Edition: A longer and more dangerous adventure Fact Trackers: Nonfiction companions to your favorite Magic Tree House adventures