The Old World Kitchen by Elisabeth LuardRead about another entry on the list.
I'm convinced this is the best cookbook that no one's ever heard of. This broad survey of European peasant cooking covers culinary territories both familiar (France, Italy) and foreign (Bulgaria, Romania). And don't worry: You're given permission to use beef for the Lapland reindeer stew.
Also see: Dell Villa's top twelve food books that will feed your mind.
--Marshal Zeringue