. . . . "The Stone Key"@en . "225756476" . . . . "978-0-670-07134-0" . . "1000"^^ . "PZ7.C2176 St 2008" . . . "The Stone Key is a 2008 science fiction novel by Isobelle Carmody, set in a post apocalyptic world. It is the fifth book in the Obernewtyn Chronicles."@en . .