About Catherine Dunphy CATHERINE DUNPHY is a journalist living in Toronto. Books by Catherine Dunphy Degrassi Junior High: 12 Book Set by (author) Kathryn Ellis, Catherine Dunphy, Susin Nielsen, Loretta Castellarin, Ken Roberts, Nazneen Sadiq & William Pasnak Ages 8 to 18 Grades 3 to 12 Degrassi Junior High: Caitlin Caitlin by (author) Catherine Dunphy Ages 10 to 17 Grades 5 to 10 BLT by (author) Catherine Dunphy Ages 13 to 17 Grades 9 to 12 Caitlin by (author) Catherine Dunphy Ages 10 to 17 Grades 7 to 12