Production, sales, and marketing all happened under one roof. That made things particularly useful for merchants from all over Europe to buy goods for further distribution – whether in loose sheets or bound. The company set up its own international network through the Frankfurter Buchmesse. The collection on offer was significant, both in terms of themes and languages.
Not everything was for sale, though. In 1570, Plantin printed the Index Librorum Prohibitorum on behalf of the Duke of Alva: a list of banned books, including some of his own publications. Plantin was daring enough to print both Catholic and Protestant works, a risky strategy that rewarded him with both prestige and suspicion.