William Campbell and Irwin Terry form a team of contemporary Oz artists and writers. Campbell and Terry wrote and illustrated the novels Masquerade in Oz (1994) and The Lavender Bear of Oz (1998), and also provided the illustrations for Karyl Carlson and Eric Gjovaag's Queen Ann in Oz (1993). Apart from literary endeavors, Campbell and Terry have created reproduction Tiffany lamps from their own studio for more than twenty years.