This Saturday, at 4 p.m., we're celebrating author Caroline Cala and the launch of Best Babysitters Ever, a funny, inventive take on a trio of 12-year-olds who start their own babysitting club after discovering Kristy's Great Idea (first book in The Babysitters Club series by Ann M. Martin). Malia, Dot, and Bree are willing to brave gross, annoying little kids so they can earn money to throw the best joint 13th birthday party ever, but being in business turns out to be more complicated than they ever imagined. The reviews have been outstanding. Micol Ostow, bestselling author of Mean Girls: A Novel, declares: "Hilarious, fresh, and fun! . . . A great homage to a classic series with plenty of modern moxie." Bestselling author Melissa De La Cruz praises: "Best Babysitters Ever sparkles with humor and attitude." Best Babysitters Ever is the first book of a fantastic new series. Hosted by Yvonne Brooks. Best for ages 6 to 12. Free. This event takes place at 4 p.m. INSTEAD of our usual 11:30 a.m.