Never before has school been this mixed up or this much fun! When the class shows up they find Mrs. Roopy, the new librarian, dressed first as George Washington and then as Little Miss Muffet. She won't even admit that it's her! Can A.J. and his classmates help their very troubled librarian before she does something really crazy? Read more ISBN13 979-8855051674 Language Spanish Publisher Bound to Stay Bound Books Reading age 7 - 9 years Print length 95 pages Publication date November 15, 2018