The Arctic Incident (Artemis Fowl, Book 2)
This is the second Artemis Fowl book. It continues the dealings between the fairies and Artemis except this time they are working together. I liked this book just as much as the first and I liked it a little more because Artemis is more of an actual protagonist. In this book, Artemis is asked to help Holly solve a problem. He agrees, because in order to save his father, he may need more than just his brain.