Mary Pope Osborne

Jack and Annie travel back to Victorian London when Merlin asks them to use their magic to inspire Charles Dickens to write "A Christmas Carol."

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! Meet Jack and Annie! Jack and his younger sister, Annie, are just regular kids. But when they discover a tree house in the woods, something magical happens. Jack and Annie are whisked back in …