edited by Lynette Roth ; with Ilka Voermann. edited by Lynette Roth ; with Ilka Voermann edited by Philipp Demandt and Ilka Voermann. edited by Annette R. Hofmann. edited by Ken Gross with Barbara Wiedemann. edited by Peter E. Pormann. edited by Martin Revermann. edited by Philipp Demandt and Ilka Voermann