They were mythical places. Tio Pepe in Baltimore. Café San Martin in New York. Montse Guillén's El Internacional in Tribeca, which was short-lived but put Spanish food and drink on the map.

Originally hailing from the UK, Rainbow Blue Nelson first landed in Colombia in search of Tintinesque adventures in 1996. Subsequent forays from his Caribbean base in Cartagena have thrown up a book ...