Kathryn Stockett, author of “The Help” (Amy Einhorn Books/Putnam), was named winner of the 2010 Townsend Prize at the Margaret Mitchell House Thursday. The literary prize is awarded to a Georgia novelist biennially by Georgia Perimeter College. Published in February 2009, “The Help” has been on the New York Times best-seller list for 54 weeks and counting. Set in Jackson, Miss., in 1962, the debut novel follows the exploits of recent college graduate and budding writer Eugenia Skeeter Phelan as she chronicles the racial divide in her hometown. A native of Jackson, Stockett lives in Atlanta.