Karen Sands-O'Connor is Professor of English at Buffalo State College in New York, USA, where she teaches children's literature. Notable publications include Soon Come Home to this Island: West Indians in British Children's Literature (2007) and, with Marietta Frank, Back in the Spaceship Again: Juvenile Science Fiction Series since 1945 (1999).
Marietta Frank is the Library Director (Interim) and Instruction Librarian at the University of Pittsburgh at Bradford, USA. She co-wrote Back in the Spaceship Again: Juvenile Science Fiction Series Since 1947 (1999) with Karen Sands-O'Connor. Her essay, 'Women in Heinlein's Juveniles,' is included in Young Adult Science Fiction (1999).
