[4] In 1960 he started his career in journalism by helping to found Editora Abril automobile magazine Quatro Rodas.

[citation needed] Of all the publications Carta helped create during his life, only one, the defunct Jornal da República, failed to succeed.

[citation needed] Disappointed with the position of Luiz Inácio Lula da Silva in the Cesare Battisti case, Carta decided to retire from his blog and his column on CartaCapital.

[5] In 2000, Carta released his first novel, titled O Castelo de Âmbar (The Castle of Amber), in which he narrates a semi-biographical story.

In this book, the main character finds himself on the Rua Áurea with Cuore Mio, "the most laughing girl in the neighbourhood", starting what is described by the author as the "only and authentic love of their lives".