- Buku AudioTrappedMichael Northrop
- Buku AudioPolarisMichael Northrop
- Buku AudioBook of the DeadMichael Northrop
- Buku AudioValley of KingsMichael Northrop
- Buku AudioThe Stone WarriorsMichael Northrop
- Buku AudioAmulet KeepersMichael Northrop
- Buku AudioSeri: TombquestMichael Northrop
- Buku AudioThe Final KingdomMichael Northrop
- Buku AudioOn Thin IceMichael Northrop