Stilton, Geronimo. The secret of Cacklefur Castle / Geronimo Stilton ; [illustrations by Larry Keys]. - New York : Scholastic, c2006. - 91 p. : col. ill., col. maps ; 20 cm. - Geronimo Stilton ; 22 . ISBN: 0439691451 LCCN: bl2005026347 LC Class. No.: PZ7.S86 / Va 2006