Cobb youth services librarian Julienne Marks will lead a six-week workshop starting Aug. 5 on how children can live together peacefully, based on the book “Siblings Without Rivalry” by Adele Faber and Elaine Mazlish. The workshop will be held Mondays from 6-7:30 p.m. at the South Cobb Library, 805 Clay Road, Mableton. The workshop is for adults only and registration is required. Information: 678-398-5828.