The Battle of the Labyrinth
Rick Riordan
Percy Jackson & The Olympians (4)
The Titan Probe
Brandon Q. Morris
Ice Moon (2)
The House of Hades
Heroes of Olympus (4)
The Holy Bible (ESV)
Crossway Bibles
Mountaineering
The Mountaineers
Hiking Colorado: A Guide to the State's Greatest Hiking Adventures
Sandy Heise & Maryann Gaug