Mental health delivery is rapidly changing in the face of new technologies. Numerous forms of "distance therapy" or "telepsychiatry" are now available and the landscape of mental health delivery is changing all the time. In this text, a provider of online mental health information - Dr Robert Hsiung - has gathered together a group of contributors to discuss clinical, ethical and legal issues in e-therapy as well as provide examples of presently active programs. Chapters include: the Internet "expert", Ronald Pies; an e-patient's story, Martha Ainsworth; chat room therapy, Gary S. Stofle; using e-mail to support outpatient treatment, Joel Yager; Community telepsychiatry, Sara F. Gibson; an online self-help group hosted by a mental health professional, Robert C. Hsiung; principles of professional ethics, Robert C. Hsiung; and legal ethics in online mental health, Nicolas P. Terry.