Meet Dr. Z at the Lake Worth Giant Book Sale event and purchase an autographed copy of his new book entitled “Just One Backyard: One Man’s Search for Food Sustainability”. See below for more details. Later in the day, from 4:00-5:00 pm, come to Frog Alley Community Garden in Delray Beach, Florida to hear Dr. Z talk about backyard food gardening and how it is important to sustainability. Frog Alley Community Garden is located at 250 SW 4 Avenue, Delray Beach, FL 33445.Cost:$10 suggested donation (no one turned away for lack of funds).