The Butler Public Library, 218 N. McKean St. will host its first Super Saturday for the fall this Saturday.

Representatives from the Pittsburgh Zoo will present rainforest rhythms at 11 a.m. Craft tables and other activity centers for children of all ages will be open from 10 a.m. to 4 p.m.

The Community Health Challenge of Southwestern Pennsylvania will host a free SmokeStoppers program at 7 p.m. Thursday at Butler Memorial Hospital, 911 E. Brady St.For information, call 724-283-9955.

CHICORA - The Alamo Squares square dance club will host a free fun night with an introduction to Western style square dancing at 8 p.m. Friday at the Frogtown Wildlife Club, Frogtown-Kaylor Road, off Route 268.

PETROLIA - The Beulah Land Sustainable Living and Learning Center, 276 Bruin Road, will host a Fall Equinox and Drumming Celebration at 7:30 p.m. Saturday.Overnight camping will be available. A donation of $10 will be suggested.For information or to reserve a camping location, call 724-753-0050.

SLIPPERY ROCK - Members of the sustainable systems program at Slippery Rock University will host a Good Food Lunch from 11:30 a.m. to 1 p.m. in the Boozel Dining Hall on the Slippery Rock campus.The lunch will include vegetarian, vegan and meat options and information about organic ingredients and sustainable food production will be provided.Cost is $4 for students and $6 for nonstudents. Tickets are available at the door.

LAWRENCE COUNTY - The Portersville-Prospect Rotary Club will host a chicken barbecue in the Kildoo Picnic Area at McConnells Mill State Park during the Heritage Days Festival Saturday and Sunday.Dinners will be served from noon to 6 p.m. Saturday and noon to 4 p.m. Sunday. Cost is $7 for adults and $4 for children ages 12 and younger.

The Cranberry Township police and fire departments will sponsor a Child ID Print-a-Thon from 10 a.m. to 4 p.m. Saturday at the Cranberry Park Fire Station.Parents will receive a "Bio-Doc" which contains the child's fingerprint and photo. No data will be recorded or stored.For information, call Guardian Protection Services at 800-533-4827, Ext. 706.

GROVE CITY - The Grove City Historical Society will host a history seminar and workshop from 10 a.m. to 3 p.m. Saturday at the Penn Grove Hotel, East Pine St.Cost for the event is $30, and participants will receive a journal album.For information or registration, call Anita DeMarco at 724-458-9499.Notices, in writing, of festivals, fund-raising events, newly elected officers and other news from clubs and non-profit 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.

The Butler Branch of the American Association of University Women will hold it's a used book sale this weekend at the Clearview Mall.The sale will run from 10 a.m. to 9 p.m. Friday and Saturday and noon to 5 p.m. Sunday.Book, music and video donations are still being accepted in barrels at the Butler Public Library; Friedman's, Bilo and Giant Eagle stores; and the YMCA in Slippery Rock.Proceeds will benefit scholarships and educational projects. For more information, call Lorraine Kesterson at 724-287-0743.