Over the EdgeBy: Jonathan Kellerman Series: Alex Delaware When the phone rings in the middle of the night, child psychologist Alex Delaware does not hesitate. Driving through the dream lit San Fernando Valley, Alex rushes to Jamey Cadmus, the patient he had failed five years beforeand who now calls with a bizarre cry for help. But by the time Alex reaches Canyon Oaks Psychiatric Hospital, Jamey is gone, surfacing a day later in the hands of the police, who believe