That's quite right, but those bookstores aren't there just for the locals. The huge economical difference makes buying books here stupidly cheap for europeans,

That's quite right, but those bookstores aren't there just for the locals. The huge economical difference makes buying books here stupidly cheap for europeans, so a lot of sales are actually done by tourists. That's not to say us locals don't read though, plenty of buyers are Argentines too.