Author talk: 'Mr. Penumbra's 24-Hour Bookstore'
A tale of global conspiracy, complex code-breaking, high-tech data visualization, young love, rollicking adventure, and the secret to eternal life -- mostly set in a hole-in-the-wall San Francisco bookstore. The event is today, Dec. 6, 7:30 p.m. at Kepler's, 1010 El Camino Real, Menlo Park. Go to keplers.com.

Workshop: Holiday Pinecone Crafts
Participants can help decorate the senior center for the holiday season. They will create critters, snowmen, and more from pinecones. No experience necessary, just a willingness to get messy with art supplies. The event is today, Dec. 6, 1-2 p.m., at the Mountain View Senior Center, 266 Escuela Ave., Mountain View. Got to paloaltoonline.com/calendar.

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