A version of the text can be read here https://theanarchistlibrary.org/library/alfredo-m-bonanno-armed-joy
Alfredo Maria Bonanno is a main theorist of contemporary insurrectionary anarchism who wrote essays such as Armed Joy (for which he was imprisoned for 18 months by the Italian government), The Anarchist Tension and others. He is an editor of Anarchismo Editions and many other publications, only some of which have been translated into English. He has been involved in the anarchist movement for over thirty years.