Christopher O'Toole

• Bees of the world
• Enciclopedia completa de los insectos
• The Encyclopedia of insects
• Alien Empire
• Bees
• Discovering Ants
• Discovering bees and wasps
• Discovering flies
• Discovering Flies (Discovering Nature)
• Firefly encyclopedia of insects and spiders
• Insects and spiders
• Insects in camera