Dugald A. Steer

• Dragonology
• Dragonology Jigsaw Puzzle
• Alienology (Ologies, #10)
• Dragonology
• Dragonology: Deluxe Field Guide and Models
• Monsterology
• Oceanology: The True Account of the Voyage of the Nautilus (Ologies, #8)
• Pirateology: The Pirate Hunter's Companion (Ologies, #4)
• Spyology (Ologies, #7)
• The Dragon Diary (Dragonology Chronicles, #2)
• The Dragon Prophecy (Dragonology Chronicles, #4)
• The Dragon's Apprentice (Dragonology Chronicles, #3)