Books in Print

The Genesis of Animal Play

The Cognitive Animal

The Well-being of Animals in Zoo and Aquarium Sponsored Research

Reviews

• Nature
• AAAS Science Books and Films
• Integrative and Comparative Biology
• PsycCritiques
• Human Development
• Animal Behaviour
• American Journal of Human Biology
• Journal of Applied Animal Welfare Science
• Quarterly Review of Biology
• Play Review
• American Journal of Play