The Erowid site published a review of the book Labate, Beatriz C. and Sena Araújo, Wladimyr (eds). O uso ritual da ayahuasca. Campinas, Mercado de Letras, 2004, 2nd ed. by Jimmy Weiskopf at http://www.erowid.org/library/review/review.php?p=191.
The book was rated as ‘5 stars’ and quoted on the “reccommended books” section.