In the book Américo y su Pincel: Imágenes de un Mundo Especial (Americo and His Paint Brush: Images of a Special World), Professor Maria Luz Salas methodologically analyses the aesthetical development of Americo. The book is beautifully illustrated with several pieces of work showing the progress of the artist.
In 2010 Fundacion Polar Editorial releases a limited edition print of the book in Spanish. Copies are available in selected libraries in Venezuela, Argentina and Spain.
In 2014 Editorial Vicerrectorado Academico of Los Andes University and Fundacion Polar release an electronic version of the book (Spanish only). It is available for download on this website.