Julián Ríos is Spain's foremost postmodernist writer. He was born in Galicia in 1941 and educated primarily in Madrid. His best-known work is Larva, an experimental novel that has been the subject of many studies. During the seventies he was an important publisher, creating and running the Espiral collection of Fundamentos, a Madrid publishing house. The collection included books by Thomas Pynchon, John Barth and Severo Sarduy. A contributor to various magazines, both Spanish and foreign, he currently lives in France, on the outskirts of Paris.

Nick Caistor is a translator, journalist and author of non-fiction books. He has translated some 40 books from Spanish and Portuguese. These include works by Paulo Coelho, Alan Pauls, Martin Kohan, Eduardo Mendoza, Juan Marsé and Manuel Vázquez Montalban. He has twice been awarded the Valle-Inclán prize for translation. As a journalist, he has presented and produced programs on Britain's Radio 4 and the BBC World Service, and contributes to the TLS and the Guardian. Nick lives in Norwich, England with his wife, Amanda Hopkinson.