- The Psychology of Social Networking Vol.2
- Being There - Concepts, Effects and Measurements of User Presence in Synthetic Environments
- The Psychology of Social Networking Vol.1: Personal Experience in Online Communities
- Virtual Environments in Clinical Psychology and Neuroscience: Methods and Techniques in Advanced Patient-Therapist Interaction (Studies in Health Technology ... in Health Technology and Informatics)
- Cybertherapy: Internet and Virtual Reality As Assessment and Rehabilitation Tools for Clinical Psychology and Neuroscience (Studies in Health Technology and Informatics)