DATEBOOK

THURSDAY

Dish: Food writer Peg Rahn joins bookstore owner Janet Jarvits to cook and discuss the changing world of food. 4-6 p.m. The Arboretum of Los Angeles County, 301 N. Baldwin Ave., Arcadia. (626) 821-3222. $45 for members, $50 for nonmembers.

SATURDAY

Grape Harvest: The Santa Barbara County Vintners’ Assn. hosts its 12th annual fall harvest event featuring wines from 61 area vineyards paired with food from local chefs. “A Celebration of Harvest” also includes live music and an art show. A silent auction benefits the association and the Santa Barbara Food Bank. Noon to 3 p.m. Rancho Sisquoc Winery, 6600 Foxen Canyon Road, Santa Maria. For today’s events, tickets must be purchased in advance; call (805) 688-0881 or (800) 218-0881. $70. Sunday: $60. Both days: $110.

Historians’ Future: The community is invited to a general meeting to discuss the future plans and programs of the Culinary Historians of Southern California. 10:30 a.m. Mark Taper Auditorium, Central Library, 630 W. 5th St., L.A. (213) 228-7201. Free.

SUNDAY

Olives: Explore the history and technology of olive oil with Darrell Corti and taste a variety of olives grown on California farms. 4 p.m. Skirball Cultural Center, 2701 Sepulveda Blvd., Los Angeles. Advance tickets recommended, (323) 655-8587. $20 general admission, $15 Skirball members and students.

Silver Tongue: Nancy Silverton of Campanile restaurant signs copies of her new book, “Nancy Silverton’s Sandwich Book” (Knopf, $24.95), at the Hollywood Farmers Market. 9-11 a.m. At the intersection of Selma and Ivar avenues, Hollywood. For information, call the Cook’s Library, (323) 655-3141. Free.

TUESDAY

Vegetarian Cooking Class: Learn to prepare vegetarian meals in this hands-on class taught by Carol Quigless. The menu includes spicy Thai-flavored tempeh balls, curried lentils with spinach and kung pao tofu. 6:30 p.m. Hoover High School, Room 202, 651 Glenwood Road, Glendale. Information, (818) 548-0864, Ext. 5015. $36.

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Submit Datebook items at least two weeks before publication date. Mail to Food Section Datebook, Los Angeles Times, 202 W. 1st St., Los Angeles, CA 90012 or fax to (213) 237-6485. Submissions are printed on a space-available basis.