Dr. James M. Paradis, Adjunct Professor of History and an authority on the roles of African American soldiers in the Civil War, will give a free talk on his second book, African Americans and the Gettysburg Campaign, on Sunday, Feb. 17, from 2 to 4 p.m. at the Abington Free Library Community Room. The event is free and open to the public. For more information, call 215-885-5180, ext. 15, or email kburnhama@mclinc.org.