Historical displays, presentations by special guests, and book-signings by Tom Sheridan and Annette Gray highlight a tour of Arivaca's historic homes and modern ranches from 10 a.m. to 4 p.m., Saturday, Jan. 28; $10. Proceeds benefit the Arivaca Family and Community Education Association. Breakfast, lunch and snacks are available for purchase. Call 398-3262, or visit gvnews.com for more information.