Avalon
1 The Mists of Avalon (1979)
2 The Forest House (1991) (with Diana L Paxson)
aka The Forests of Avalon
3 Lady of Avalon (1997) (with Diana L Paxson)
4 Priestess of Avalon (2000) (with Diana L Paxson)
5 The Ancestors of Avalon (2004) (with Diana L Paxson)
6 Ravens of Avalon (2007) (with Diana L Paxson)
7 Sword of Avalon (2009) (with Diana L Paxson)
2 The Forest House (1991) (with Diana L Paxson)
aka The Forests of Avalon
3 Lady of Avalon (1997) (with Diana L Paxson)
4 Priestess of Avalon (2000) (with Diana L Paxson)
5 The Ancestors of Avalon (2004) (with Diana L Paxson)
6 Ravens of Avalon (2007) (with Diana L Paxson)
7 Sword of Avalon (2009) (with Diana L Paxson)