Mount Diablo Summit Museum spider PowerPoint presentation, noon-2 p.m. Sept 12, 96 Mitchell Canyon Road, Clayton. Learn about tarantulas, spiders in Contra Costa County. Live tarantula display. $10. 925-837-6119, www.mdia.org/site.

Social networking

Introduction to Facebook, 12:45-2:15 p.m., Sept. 14, Concord Senior Center, 2727 Parkside Circle. Set up account, learn to safely use Facebook. Must have email address. $16. 925-671-3320, http://www.ci.concord.ca.us/recreation/events/srevents.htm.

Closed for Labor Day

Concord, Clayton city offices closed Monday, Sept. 3, for Labor Day. Concord Community Pool open 9 a.m.-noon; 1-5 p.m. 925-671-3150, www.cityofconcord.org; or www.ci.clayton.ca.us

Derby, classic car show

Ninth annual Clayton Soap Box Derby, Classic Car Show, 9 a.m.-3 p.m. Sept. 1, Main Street and Marsh Creek

Trip to the islands

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Hawaiian Fusion, 4:30 p.m., Sept. 7, Centre Concord, 5298 Clayton Road. Features Bruce Shimabukuro with Hawaiian music, food, boutique, more. Proceeds benefit Concord Senior Center programs. $48. 925-671-3320, www.cityofconcord.org/hawaiianfusion.

Pops on the Plaza

Target Pops on the Plaza concert with California Symphony, 6:30 p.m. Aug. 30, Todos Santos Plaza, Willow Pass Road at Grant Street, downtown Concord. ABC 7 news anchor Dan Ashley emcees. Kids activities. Free admission, parking. Information: 925-280-2490, www.california symphony.org.

Republican women meet

Ygnacio Valley Republican Women meet 10 a.m. Sept 19, Oakhurst Country Club, 1001 Peacock Creek Drive, Clayton. Speaker is Becky Kolberg, chairman of Contra Costa Republican Party. $25. Barbara Allen, 925-672-5061.

Free CERT training

Concord Community Emergency Response Team training, 9 a.m.-5 p.m. Sept. 8, 15, 22, fire training facility, 2945 Treat Blvd., Concord. Learn basic fire safety, disaster preparedness, more. Registration: 925-603-5933.

Stuff the Bus campaign

Drop off backpacks full of school supplies through Sept. 9, Krispy Kreme, 1991 Diamond Blvd., Concord. Donors receive free doughnuts. Supplies distributed by Concord Salvation Army. 916-563-3731.

At the Grove

Concerts in the Grove 6-8:30 p.m. Sept. 1, Grove Park Gazebo, Main Street, Clayton. Laurent Fourgo with swing, jazz. Bring blankets, chairs. Free, donations appreciated. 925-673-7300. www.fourgo.com.

For the love of vultures

Author, naturalist Diane Lang signs first children's book, "Vulture Verses, Love Poems for the Unloved," 11 a.m.-1 p.m. Sept. 1, Lindsay Wildlife Museum, 1931 First Ave., Walnut Creek. 925 935 1978. Books available at event.

Blue moon hike

Hike in Mitchell Canyon area to celebrate "blue moon," 6:30-9:30 p.m. Aug. 30. Meet at Mitchell Canyon Visitor Center, 96 Mitchell Canyon Road, Clayton. Bring flashlight, jacket. Free, parking $6. RSVP: mtdiablohiker@aol.com. 925-837-2525.

Items included on space-available basis; not all items published. E-mail transcript@bayareanewsgroup.com.