Tony DiTerlizzi and Holly Black

The Spiderwick Chronicles
The Spiderwick Chronicles - 1. The Field Guide
The Spiderwick Chronicles - 2. The Seeing Stone
The Spiderwick Chronicles - 4. The Ironwood Tree
The Spiderwick Chronicles - 5. The Wrath of Mulgarath CD1
The Spiderwick Chronicles - 5. The Wrath of Mulgarath CD2