PENN TWP — The Butler County Symphony Association's Symphony Ball 2007 will be held Jan. 27 at the Butler Country Club, 310 Country Club Road.

The annual event, black tie optional, benefits the Butler County Symphony Orchestra.

The evening will begin at 6 p.m. with a cash bar and hors d'oeuvres, followed by dinner at 7 p.m. and dancing to the Vince Tavolario Trio from 8:30 until 11:30 p.m.

Ball co-chairpersons are Ida Findley and Mary H. Phillips. Cost is $50 per person. Tables in groups of eight to ten can be reserved.

For an invitation, call the Symphony Office at 724-283-1402. Deadline for reservations is Jan. 19.

SUMMIT TWP — St. Wendelin School will host a Scholastic Book Fair in the school library Jan. 26 through 30.The fair will be open from 12:30 to 6 p.m. Jan. 26, from 11 a.m. to 1 p.m. Jan. 28 and from 8:30 to 11 a.m. and noon to 2:30 p.m. Jan. 29 and 30.The school is located at 211 St. Wendelin Rd., behind Highland Golf Course. For information, call the school office, 724-285-4986.

BUTLER TWP — Lifesteps will host free Child Check developmental screenings for children age 5 and younger at the following locations:• 10 a.m. to noon Tuesday, St. Peters Reformed Church, Zelienople.• 9 a.m. to noon Thursday, Dutilh United Methodist Church, Cranberry Township.• 9 a.m. to noon Jan. 22, Holy Trinity Lutheran Church, Chicora• 2 p.m. to 4 p.m. Jan. 22, Butler Public Library, Butler.Each screening takes about 30 minutes and results will be discussed with parents immediately.Appointments are recommended. For information or to schedule an appointment, call 724-283-2154, Ext. 313, or 800-225-2010.

MARS — The Mars Area Public Library is seeking donations for its winter used book sale, set for Feb. 16 through 18.Magazines, textbooks and Reader's Digest Condensed Books will not be accepted.For information, call 724-625-9048.

HARRISVILLE — The Harrisville Volunteer Fire Department will host a square dance from 8 to 11 p.m. Jan. 20.Bob Minor will be the caller. The Country Tradition Band will play.Cost is $5. Refreshments will be available.

The Butler Area Public Library will host a Geronimo Stilton Party at 11 a.m. Jan. 23.Youths in kindergarten through grade 6 are invited to celebrate the author's humorous tales.For information, call 724-287-1715, Ext. 717, or send an e-mail to lcampbell@bcfls.org.

Notices, in writing, of festivals, fundraising events, newly elected officers and other news from clubs and nonprofit groups should be sent to the Focus department one week in advance of the event. Items should include the name and phone number of the person providing the information and be sent to Focus, Butler Eagle, P.O. Box 271, Butler, PA 16003.