I just glanced at the growing list of participating authors (presenters and panelists), and it’s enormous. Here are those whose last names begin with “A”:
David Abrams, Fobbit (Grove)
Ibrahim Ahmad, Editor: Akashic Books — Writer’s Institute instructor
Magali Alabau,Volver (Betania)
Andrew Albanese, Meet the Reporters Panel
Gennifer Albin, Crewel (Farrar, Straus and Giroux Books for Young Readers)
Xavier Alcala, Verde oliva (Nawtilus)
Malin Alegria, Border Town #3: Falling Too Fast (Point)
Ramon Alejandro, Adua, la pedagoga (Aduana Vieja)
Martin Amis, Lionel Asbo: State of England (Alfred A. Knopf)
Roberto Ampuero, The Neruda Case (Riverhead Books) / This author is absolutely great. see my: Washington Independent Review of Books » The Neruda Case
Roberto Ampuero, El último tango de Salvador Allende (Random House Mondadori)
Lori Andrews, I Know Who You Are and I Saw What You Did: Social Networks and the Death of Privacy (Free Press)
Fernando Aramburu,Años lentos (Tusquets)
Guillermo Arango, El año de la pera (Universal)
Jorge Luis Arcos, Kaleidoscopio. La poética de Lorenzo García Vega (Colibri)
Robert Arellano, Curse the Names (Akashic Books)
Homero Aridjis, Los perros del fin del mundo, Noticias de la tierra, Tiempo de angeles (Alfaguara, Random House, Fondo de Cultura Economica)
Jami Attenberg, The Middlesteins (Grand Central Publishing)
Ellis Avery, The Last Nude (Riverhead Books)
Karen Avrich, Sasha and Emma: The Anarchist Odyssey of Alexander Berkman and Emma Goldman (Belknap Press of Harvard University Press)
For the rest of the alphabet, and other developing news, click here: http://miamibookfair.com/events/confirmed_authors.aspx
Phil Jason Reviews Books 
so excited, so many workshops, so little time