Mystery Book Discussion. 10 a.m. to noon. Friday. “All the Colors of Darkness,” by Peter Robinson. Morro Bay Library, 625 Harbor St., Morro Bay. 225-3131.
Book Signing. 2 to 4 p.m. Saturday. “Devotional Adventures: Short Stories,” by Yvonne I.M. Davis. Coalesce Bookstore, 845 Main St., Morro Bay. 772-2880
Preschool Story Time. 10:10 a.m. Tuesdays. San Luis Obispo Library City/County Library, 995 Palm St., San Luis Obispo. 781-5991.
Story Times. 10:30 a.m. Wednesdays and Thursdays. 11 a.m. Saturdays. Arroyo Grande Library, 800 W. Branch St., Arroyo Grande. 473-7161.
Story Time. 10 to 10:45 a.m. Thursdays. Morro Bay Library, 625 Harbor St., Morro Bay. 772-6394.
Story Times. 10:30 a.m. Thursdays and Fridays. Los Osos Library, 2075 Palisades Ave., Los Osos. 528-1862.
Toddler Time. 10:10 a.m. Thursdays. San Luis Obispo Library City/County Library, 995 Palm St., San Luis Obispo. 781-5991.
Summer Reading Programs. Through August. Prizes awarded to those who complete the program. A variety of special events take place at various library locations in the county. For details, call 781-5775 or visit www.slolibrary.org.