Library book sales
Concord Library book sale, 10 a.m.-5 p.m. Sept. 28-29; 1-4 p.m. Sept. 30, 2900 Salvio St. Used books $1, less. Bag of books $3 Sunday. 925-646-5455.
Clayton Library book sale, members only 4-7 p.m., Oct 12; all others 10-6 p.m. Oct. 13; noon-4 p.m. Oct. 15, 6125 Clayton Road. 925- 672-3672, www.claytonlibrary.org.
Singer/storyteller Randy Rutherford performs "The Water is Wide," 7:30 p.m. Oct. 12, St. John's Episcopal Church, 5555 Clayton Road, Clayton. $15 at door, www.brownpapertickets.com, 925-672-8717.
Info for seniors
Senior seminar 9:30 a.m.-12:30 p.m. Oct 2, Concord Senior Center, 2727 Parkside Circle, Concord. Practical information on Medicare, home equity, estate planning, more. Refreshments. Free. RSVP: 925-283-5076.
Prepare for emergencies
Ninth annual Oktoberfest celebration 11 a.m.-8 p.m. Oct. 6 (parade at noon); 11 a.m.-6 p.m. Oct. 7, downtown Clayton. Live music, German food, beer, wine, crafts, carnival, street performers. Free. www.claytonoktoberfest.com.
Science and faith
Physicist Denny Lee speaks on science, faith 7:30 p.m. Sept. 29, Grace Chinese Alliance Church, 1630 Grant St. Concord. Child care available. 925-518-7272, http://gcac.us.
Lose a Lawn/Gain a Garden workshop 9 a.m.-1 p.m. Sept. 29, Contra Costa Water District, 1331 Concord Ave., Concord. Information on water-efficient landscaping. $20, with box lunch. 925-688-8033. Registration: http://www.gardenshf.org/adult-classes.html.
Art reception, exhibit
Gallery Concord opens "Transformation," Sept. 27-Dec. 23, 1765 Galindo St., Concord. Reception 6-8 p.m. Sept. 28. Refreshments, music. 925-691-6140, www.concordgallery.org.
Clayton Theatre Co.
Woman's club meets
Clayton Valley Woman's Club meets 10 a.m. Oct. 9, Holy Cross Lutheran Church, 1092 Alberta Way, Concord. Author, columnist Judith Marshall speaks. 925-672-9448.
St. Agnes fundraiser
Mention St. Agnes School on Oct. 3 when ordering at Yogurt Shack, Tavo's Pizza, Clayton Valley Center, 5434 Ygnacio Valley Road, and they will donate a portion of proceeds to school. Information: 925- 689-3990.
Youth Theatre Company presents "By the Kids, For the Kids," 5 p.m. Sept. 30, Shadelands Art Center, 111 N. Wiget Lane, Walnut Creek. Proceeds benefit Friends of Civic Arts Education scholarship fund, Monument Crisis Center. $10. 925-943-5846, www.youththeatrecompany.org.
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