Go to www.abebooks.com They are a major seller of used books. They probably have a zillion copies of the GF novel. The descriptions for each book for sale will state if it's a first edition.
Ntra la porta tua lu sangu � sparsu, E nun me mporta si ce muoru accisu... E s'iddu muoru e vaju mparadisu Si nun ce truovo a ttia, mancu ce trasu.