Sandra Becerril，She was born in Mexico City. She`s a renowned writer, author and director. In Mexico , Argentina and Spain she has published the novels " La Calle de las Brujas " (2004 ) , " Blue Whisper " (2007 ) , "The name of the Clouds" ( 2011), " Before me, after " (2012 ) , "The Night pirates " (2013 ) , " Who are you thinking of killing " (2014 ).