The Ann Arbor Observer is a monthly newsprint magazine elivered free to all permanent residents of the Ann Arbor, Michigan school district and postal service area. The Ann Arbor Observer Company also owns and operates the Community Observer, a quarterly magazine delivered free to all permanent residents of the Chelsea, Michigan, Dexter, Michigan, Manchester, Michigan, and Saline, Michigan postal service areas; the biennial Guest Guide, available in area hotels; and the websites arborlist.com (free classified ads), washtenawguide.com(a guide to living and working in the Community Observer area), and arborweb.com (a comprehensive online guide to Ann Arbor with daily, weekly, and monthly events listings).