Cobb Legal and the Law Library will present a free class on the basics of child custody 10 a.m. Tuesday, Sept. 26, at Cobb Superior Court conference room 4500 in Marietta. Attendees will learn about child custody, including the legitimation process, modification and the difference between physical and legal custody. The conference room is on the fourth floor of 70 Haynes Street, Marietta. Call the Law Library at 770-528-1884 for more information.