Free income tax prep offeredAARP Foundation Tax-Aide volunteers will provide free income tax return preparation service to low- and moderate-income taxpayers who make less than about $60,000. There will be special attention for those age 60 and older. Membership in AARP is not required.All sites will require an appointment. To schedule an appointment, call 211 at least 24 hours in advance.Cranberry Public Library, 2525 Rochester Road, Cranberry Township: 10 a.m. to 3 p.m. Mondays from Feb. 1 to April 11. There are no appointments Feb. 15.Slippery Rock Senior Center, 155 Branchton Road, Slippery Rock: 9 to 11 a.m. and noon to 2:30 p.m. Mondays from Feb. 1 to April 11. There are no appointments Feb. 15.Mars Public Library, 107 Grand Ave., Mars: 10 a.m. to 3 p.m. Tuesdays from Feb. 9 to March 22. There are no appointments March 15.Tanglewood Center, 10 Austin Ave., Lyndora: 9 to 11:30 a.m. and 12:15 to 2:45 p.m. Tuesdays from Feb. 2 to April 12.Trinity Lutheran Church, 120 Sunset Drive: 9 to 11:30 a.m. and noon to 2:30 p.m. Thursdays from Feb. 4 to April 14.Zelienople Public Library, 227 S. High St., Zelienople: 9:30 a.m. to 2:30 p.m. Thursdays from Feb. 4 to April 7.