Gaul was divided into three parts. No, four parts -- for one small village of indomitable Gauls still held out against the Roman invaders.
Getafix has broken his golden sickle, so Asterix and Obelix visit Lutetia to buy a new one. Unfortunately the sicklesmith (a cousin of Obelix's) has mysteriously gone missing...
Book 2 in the bestselling series.