ImprintNew York : Scholastic Inc., 2008, c2007.
Description109 p. : col. ill., col. map ; 19 cm.
Note: General"English translation... by Edizioni Piemme S.p.a."--T.p. verso.
Abstract:Geronimo Stilton who lives in New Mouse City, the capital of Mouse Island, goes undercover to find an important missing document.
ISBN:0545021340 (pbk.)
ISBN:9781439587492
ISBN:1439587493
ISBN:9780545021340 (pbk.)