40th edition of Buenos Aires International Book Fair It’s one of the most important literary rendezvous in the world, and the biggest in Latin America: the Buenos Aires International Book Fair welcomes every year more than one million visitors. Among the guests of honor this year: Quino, the Argentine cartoonist who is celebrating the 50 years of “Mafalda.” The book fair will also pay tribute to the work of Gabriel Garcia Marquez. Images and soundbites.