Jeff Mariotte, author of Supernatural: Witch's Canyon, is scheduled to attend TusCon 35, to be held November 7-9, 2008 at the InnSuites Hotel in Tucson, Arizona, and Tucson First Annual Comic Con, to be held November 8, 2008 at Four Points By Sheraton, Tucson University Plaza, 1900 E. Speedway Blvd, Tucson, Arizona.
For Mariotte's schedule, click here.
Source: Jeff Mariotte Blog.