在线阅读本书 Book Description Jack and Annie are off in search of another story in jeopardy, this time at a monastery in ancient Ireland. Trouble arrives when Vikings land, and Jack and Annie must find a way to escape! Card catalog description Their magic tree house takes Jack and Annie back to a monastery in medieval Ireland, where they try to retrieve a lost book while being menaced by Viking raiders. About Magic Tree House series Magic Tree House is a book series for young children b