The Book Cellar, books for sale, basement, Warren Public Library, 11 a.m.-2 p.m.
Wilder Museum, Irvine, open, 1-5 p.m.
"Just Add Water," exhibition of works by Warren native / California watercolor artist, Anne Finley Fallin AND "Droplet of Life," photographs from Haiti by Jeremy Jeziorski. Crary Art Gallery, 511 Market St., Warren (www.crarygallery.org)
Warren County Fair, fairgrounds, Pittsfield.
"Wizard of Oz," 11 a.m., Struthers Library Theatre. Free movie in conjunction with Flip, Jot and Flick program. Everyone welcome
Elk Township Historical Society Open House, former Scandia School, 1-4 p.m.
Tri-City Modelers, Classroom C, Warren General Hospital, 7 p.m.
Slovenian Polka Boosters picnic, Johnsonburg Fire Hall, 2-6 p.m.