,The letters are, first and foremost, a testimony to theirfriendship and complicities, bonds that had grown since the mid-1950s, when they first met amid an atmosphere of huge creative ferment inBrazil. Their encounter turned out to be transcendental in the lifeand career of both, in a country that was, moreover, preparing for the surge of the so-called second Modernidade, the artistic developmentwhich, according to Ivo Mesquita, began in the 1950s and lasted untilthe 1980s. ,The letters are much more than unexpected, privilegedaccounts of the international art scene, told in the register of theintimacies of letter-writing. They are a testimony of affection,respect, trust, and fidelityùartistic tooùof two friends who were also two great artists. These layers present a mix of journeys,impressions, and clues about their works, proximities, complicities,and even hardships and worries, those that inhabit the life of humanbeings.This book gives continuity to the Ars Litterae serieswhichùfollowing the footsteps of LiberArs, artist books for allùhasthe goal of making little known texts by twen