Bookmobile @ Swift Cantrell Park is a free Cobb County Public Library program at Cobb County Public Library System in Marietta. Expect a learning-focused library session for babies, toddlers, preschoolers, and caregivers, with branch staff or community presenters guiding the activity. The listed time is 10:30-11:30. Check the official library calendar for room details, registration, and any age guidance.