 In 1980, the Brazilian Institute of Pedagogical Issues (IBEP) acquired Companhia Editora Nacional, forming one of the largest publishing groups in the country.In 2009, Conrad Editora, specializing in Comic, was bought by IBEP-Group Company Editora Nacional
The publisher started in 1931, also in São Paulo, with a successful book, "Know thyself by psychoanalysis," by the American J. Ralph, a work that today is known as a self-help title.In the 1940s and 1950s, Olympio became the country's largest publisher, publishing 2 000 titles, with 5000 issues, which in the 1980s comprised 30 million books 900 national authors and 500 foreign authors books.