FREE. Teens must work together to solve puzzles, open locks & find hidden messages in order to complete the mission. Grades 7–12. 4–5:30 p.m. Limited to 10 participants. Sign up online or at the Service Desk. Rohnert Park–Cotati Regional Library. 6250 Lynne Condé Way, Rohnert Park. Registration: tinyurl.com/y9x2ecj6.