Claim: Buenos Aires International Book Fair (one of the top five book expos in the world) is held each May each year has a different motto and there are stands in eight halls.
Evidence: The fair is held each April month, lasting for nearly three weeks. 
The Buenos Aires International Book Fair (Spanish: Feria Internacional del Libro de Buenos Aires) is held every April in Buenos Aires, Argentina, and is one of the top five book expos in the world, oriented to the literary community as well as to the general public.