Bob Black (born January 4, 1951) is an American anarchist and author. He is the author of the books The Abolition of Work and Other Essays, Beneath the Underground, Friendly Fire, Anarchy After Leftism, and Defacing the Currency, and numerous political essays. Bruno Borges (Lisbon, Portugal, 1976) is a painter, illustrator and comic artist. He has been involved with galleries, artistic projects and publishers since the year 2000. Founding member of the satiric zine Buraco and part of the Oficina Arara crew, he currently runs the workshop O Gorila dedicated to troglodyte forms of expression in art.