Artist's book / monograph with text by Peter Schjeldahl, Beatrix Ruf and Joan Simon. Edited and designed by Jenny Holzer with Stefan Banz and Thomas Whitridge. Additional editing by Cristina Bechtler, Salome Schnetz, Alanna Gedgaudas, and Brenda Phelps. "For the first time, Jenny Holzer is using the medium photography, showing the projections of her popular sentences in public spaces. Xenon consists of images from the first projection in Florence and the Venice-projection." -- publisher's statement. Texts in English.