A new tinnitus book entitled Zumbido was launched at the Brazilian ENT Meeting at Recife, November 14-17. The TRI members and principal investigators of the TRI Pharmagroup, Ricardo Figueiredo and Andréia Azevedo, authored this textbook, which is mainly geared towards ENT practitioners, in collaboration with many other specialists. Ana Belén Elgoyhen, leader of the TRI Pharmagroup, wrote the foreword. The book is edited by Editora Revinter in Rio de Janeiro and is written in portuguese language.