The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! The show must go on! That's what Jack and Annie learn when the Magic Tree House whisks them back to Elizabethan England. There they meet William Shakespeare himself--one of the greatest writers of all time! But Mr. Shakespeare's having a hard time with some of the actors in his latest show. Are Jack and Annie ready...