The Cobb Library System will host a small business training session Aug. 23 with a presentation from ReferenceUSA representatives about the data base of 14 million companies.

Discussion topics will include identifying new sales prospects and creating customized business and consumer marketing lists.

The session is free, open to the public and begins at 6 p.m. at the Central Library, 266 Roswell Street in Marietta.

Information: 770-528-2377, www.cobbcat.org