Number six of the CODE(X)+1 Monograph Series. Didier Mutel is a synaesthetic printer focused on the bite of acid on metal, of the metal plate on paper, and of the printed words on the mind. This book discuses the acide brut manifesto and the definition of acide brut, and how acide brut has affected communication, art, war, and love and tenderness.

This book was printed in an edition of 777 copies on the Heidelberg cylinder press at Peter Koch, Printers for the CODEX Foundation.