Keys to the Demon Prison (Fablehaven, #5) by Brandon Mull
What a great ending to a great story! Fablehaven started off so-so with book 1, picked up steam in book 2, and continued picking up speed until the end of book 5. Book 5 was my favorite of the series. Its great fantasy, and happily family appropriate. I cant wait to share Fablehaven with my kids!