"Quest for Flight" author Craig S. Harwood will talk about the Bay Area as a cradle of innovation and invention at that tipping point in history when humankind grappled with the seemingly impossible prospect of efforts to take to the skies. Books will be available for purchase and signing. This free program is sponsored by the Walnut Creek Library Foundation. RSVPs are appreciated and can be made online at www.wclibrary.org/live or by telephone at (925) 935-5395.