Wonderbread 5 provides the tunes for the YWCA fundraiser, October EVE – Ending Violence for Everyone. The Lagunitas Beer Garden is the place and the time is 5:30-8:30 Tuesday, Oct. 8. Tickets are $25-$30 and are available by calling 303-8413. The evening includes a pasta dinner, raffle and a clothesline art exhibit. Lagunitas is at 1280 N. McDowell Blvd.

Author Rebecca Skloot’s intriguing biography, The Immortal Life of Henrietta Lacks, has been read and talked about for more than a year. To join in a discussion, try the Petaluma Library’s monthly Brown Bag Book Discussion from noon-1 p.m. Tuesday, Oct. 8 in the Community Room at the library, 100 Fairgrounds Drive. For details, call 763-9801.

The Tolay Fall Festival offers two long weekends of family fun at Tolay Lake Regional Park. This year’s festival runs Oct. 10-13 and 1620 and includes a creatures barn full of creepy critters, a straw maze, petting zoo, lawn games, food stands, a Native American village, old-fashioned crafts for kids and a pumpkin seed-spitting contest. Take a hay ride to the giant pumpkin patch to pick out the perfect orange orb for Halloween. Dates are Oct. 10-13, and 17-20, with weekdays for school groups. Weekend hours are 11 a.m.-5 p.m. Festival admission is $1-$4, or free for members. Parking is $7 per car, or free with a Sonoma County Regional Parks membership. The park is at 5869 Cannon Lane, off the Lakeville Highway. Call 565-2041 or visit parks.sonomacounty.ca.gov.

Petaluma’s fifth annual International Film Festival is this weekend from noon-11 p.m. Friday, Oct. 11 through Sunday, Oct. 13 at the Boulevard Cinemas, 200 C St. Films include local shorts “Sky is the Roof, “Chocolates,” “Kitty Litter, “The World is My Stage” and “Rat Face,” plus a Q&A with the filmmakers follows the showing. Tickets are $11; a festival pass is $150. Visit petalumafilmfestival.org for details, including the complete schedule.

Although it’s been half a century since the Little Sparrow – French cabaret singer Edith Piaf – died, her music is still performed around the world. “La Môme Piaf: A Commemorative Concert” is offered by Due Zighi Baci, Michael Van Why, tenor, and Sheri Mignani, accordion, and their musical guests, from 6:45-9:15 p.m. Friday, Oct. 11 at Aqus Café. The concert is free. Aqus is at 189 H St. Go to eurotenor.wix.com/due-zighi-baci#! for details.

Send your Petaluma events listings to Katie Watts at goodegg2004@gmail.com.