Asterix in switzerland, paperback/rene goscinny

Quaestor Vexatius Sinustitis, who is about to expose the Roman governors creative accountancy, has been poisoned.

Can Getafix brew an antidote? Only if Asterix and Obelix find a certain flower for the druids potion in Helvetia.

What with bank safes, cuckoo hourglasses, yodelling and holes in the cheese, theyre soon on a real Helvetian roll.