Compendium of writing about concrete poetry. Texts by Thomas Kopfermann, Max Bense, Heinz Gappmayr, Claus Bremer, Franz Mon, Helmut Heissenbüttel, Jochen Gerz, Eugen Gomringer, Ernst Jandel, Siegfried J. Schmidt, Chris Bezzel, Gerhard Rühm, Ferdinand Kriwet, Ernst Kostal, Hans G. Helms, Hans-Jürgen Heinrichs, and Helmut Hartwig. Includes bibliography and index. Texts in German.