PROSPECT — A book signing of “The Life Story & Collected Works of Opal W. Fitzgerald,” by R.L. Palmer is planned from 11 a.m. to 3 p.m. Saturday at the Prospect Library, 357 Main St.

The book reveals life in the early 1900s in Fitzgerald's own words: the radio, automobile, influenza epidemic, World War I and the Great Depression.

For more information, call 724-865-9718.

An artist reception and candlelight vigil are planned for 7 to 9 p.m. Friday for the exhibit “The Monster Within,” an observance of domestic violence awareness, at The Art Center, 344 S. Main St.Artists of all ages and levels of experience have been encouraged to submit original works to represent the hardship and healing experienced by survivors of domestic violence.The exhibit will continue through Oct. 23.For more information, call 724-283-6922 or visit butlerartcenter.org.

BUTLER TWP — The 18th annual Alameda Septemberfest is set for 9 a.m. to 4 p.m. Sunday at Alameda Park, hosted by the Butler County Parks and Recreation Department.Admission and parking are free. Activities include a youth fishing derby, craft show, car cruise, live music and entertainment, and children's games.For more information, call 724-284-5383.

CLINTON TWP — Penn's Colony Festival continues this weekend at the festival grounds, 365 Saxonburg Blvd., off Route 228.The 32nd annual event celebrates 18th century American life. Arts and crafts, colonial entertainment, living history, food and games are planned.Hours are 10 a.m. to 6 p.m. Saturday and 10 a.m. to 5 p.m. Sunday. For more information, call 724-352-9922 or visit PennsColony.com.Youth harmony day is freeVALENCIA — The third annual Youth Harmony Festival will be from 8 a.m. to 6 p.m. Oct. 3 at Glade Run Church, Route 8.This free event is open to all teens who like to sing and to music educators.Participants will receive a free T-shirt, breakfast and lunch.Area residents may attend the free evening show at 5 p.m.Registration is being accepted, and more information can be found at www.pghyouthharmony.org or 412-828-2822.

BUTLER TWP — The Musical Theatre Guild will present its fall production of “Rent” in October.The musical will go on at 7:30 p.m. Oct. 9 and 10 and 3 p.m. Oct. 11 at the Succop Theater at Butler County Community College.The producers are Barb Osche and Justin Anderson. The director is Brent Rodgers, and music director is Karen O'Donnell.Tickets are $17 or adults and $13 for students. Reservations can be made by calling 724-287-8243 from 7 to 9 p.m. Sundays through Wednesdays, or at mtgbutler.org

FRAZER TWP, Allegheny County — The total lunar eclipse can be viewed from about 7:10 p.m. until midnight Sunday at Nicholas E. Wagman Observatory in Deer Lakes Regional Park near Russellton.Totality lasts from about 9:11 to 10:23 p.m. Mid-eclipse is at 9:47 p.m.Guests also will have the opportunity to observe Neptune and Uranus.The party will be held weather permitting. Call 724-224-2510 for more information.