I like reading lists. A chap called Ben Schott has taken advantage of my predilection by publishing books of them that he calls Miscellanies. Here is a list (not one of his) that interests me.
Campari is no rarity on British shelves but, until the last few years, Aperol was hard to buy. I used to ask a friend to bring a bottle back when she was in Italy. Now Aperol is ubiquitous.