California Writers Club. The Berkeley Branch of the California Writers Club welcomes all writers to share their work or just observe. Bring copies of any prose for on-site reading/discussion. 1 to 5 p.m. Aug. 16. Oakland Public Library, Rockridge Branch. 5366 College Ave., Oakland. Free. 510-420-8775, www.oaklandlibrary.org.
Opera in the Park. Enjoy an afternoon of opera under the trees at the 4th annual Opera Concert in the Park hosted by Ellen St. Thomas and with performances by America's Quartet, Daniel Lockert and Jenny Matteucci, Raymond Chavez, and more. 3 p.m. Aug. 16. Dimond Park, 3860 Hanly Road, Oakland. Free. www.openopera.net, email@example.com.
E-book Workshop. Learn how to use the variety of eBooks and eAudiobooks for various devices that the library has available at this one-on-one workshop. Bring your device and library card. Space limited. Advance sign-up required. 3 to 5 p.m. Aug. 16. Oakland Public Library, Montclair Branch, 1687 Mountain Blvd., Oakland. Free. 510-482-7810, www.oaklandlibrary.org.
Senior Summer Day at the Zoo. The Oakland Zoo invites Oakland residents 65 and better to visit the zoo for free as part of the 5th annual Oakland Senior Summer Free Day series. Valid identification required. Must be an Oakland resident. 10 a.m. to 4 p.m. Aug. 18. Oakland Zoo, 9777 Gold Links Road, Oakland. 510-632-9525, www.oaklandzoo.org.
Children's and Baby Clothing Swap. Celebrate back-to-school with some new-to-you clothing and shoes. Bring items to swap that are children's/baby sized, clean and in good condition. Donations not necessary to take part. 3 to 7:30 p.m. Aug. 18. Oakland Public Library, Piedmont Avenue Branch, 80 Echo Ave., Oakland. Free. 510-597-5011, oaklandlibrary.org.
Writers on Writing and Publishing. Local writers Jill Vialet, Bruce Fessenden and Laurie Doyle discuss the process of writing and publishing, including options beyond mainstream publishing. 6 to 7:30 p.m. Aug. 19. Oakland Public Library, Montclair Branch, 1687 Mountain Blvd., Oakland. Free. 510-482-7810, www.oaklandlibrary.org.
Uptown Farmers Market. The Uptown Oakland Farmers' Market returns for the season with fresh local produce, music, kids' activities and more. 10 a.m. to 2 p.m. Aug. 20. Ordway Plaza, Kaiser Building, 2150 Valdez St., Oakland. 800-949-FARM, www.pcfma.com.
Teen 'Scape. Teens can beat the summer doldrums by hanging out with other teens playing video games, making crafts, meetings new friends and munching on light snacks at the Teen 'Scape at the library. 2 to 3:30 p.m. Aug. 20. Oakland Public Library, Rockridge Branch, 5366 College Ave., Oakland. Free. 510-597-5017, www.oaklandlibrary.org.
Henna Tattoos for Teens. Learn about the ancient art of Henna and get a temporary tattoo at this workshop. Permission form, available at the library, signed by parent/guardian is required. 2 to 3:30 p.m. Aug. 20. Oakland Public Library, Montclair Branch, 1687 Mountain Blvd., Oakland. Free. 510-482-7810, www.oaklandlibrary.org, firstname.lastname@example.org.
Mobile Device Help. Get help with eBooks, eMagazines and eMusic at this hands-on workshop showing you how to get the most of your device. Bring your Internet-capable Kindle, Nook, iOS or Android device and your library card. Have a library PIN and email address. 10:30 a.m. to noon. Aug. 21. Oakland Public Library, Piedmont Avenue Branch, 80 Echo Ave., Oakland. Free. 510-597-5011, oaklandlibrary.org.
Piedmont Avenue Book Club. Read something new and join the spirited discussion at the library's book club. New members encouraged. This month's book is F. Scott Fitzgerald's "The Great Gatsby." 6:30 to 7:45 p.m. Aug. 25. Free. Oakland Public Library, Piedmont Avenue Branch, 80 Echo Ave., Oakland. Free. 510-597-5011, email@example.com, oaklandlibrary.org.
Montclair Grammar School Reunion. A reunion is now being planned for folks who graduated Montclair Grammar School, room 5, class of 1951. Tentative date is April 2015. Contact Susan at firstname.lastname@example.org or Pete at email@example.com.