The Giver Quartet is a series of four books about a dystopian world by Lois Lowry. The quartet consists of The Giver (1993), Gathering Blue (2000), Messenger (2004), and Son (2012). The first book won the 1994 Newbery Medal and has sold more than 10 million copies. The story takes place in the world of The Giver. Each book has a different protagonist, but is set in the same futuristic era. Source: Wikipedia (en)