I absolutely love this series! If you like middle-grade books and fantasy stories, read Hollow Earth! Highly recommended. I am hoping to get this for our school library!!
“It's a dangerous business, Frodo, going out your door. You step onto the road, and if you don't keep your feet, there's no knowing where you might be swept off to.”
-- J.R.R. Tolkien, The Lord of the Rings