This first English-language translation of Boeventucht is based on the modern Dutch version of the original text as reprinted in Dirck Volckertzoon Coornhert, Boeventucht, Arie-Jan Gelderblom and Marijke Meijer Drees (eds). (Muiderberg: Dick Coutinho, 1985). The kind support of Professors Arie-Jan Gelderblom and Marijke Meijer Drees, of the Faculteit Letteren at Utrecht University, as well as of the publisher, Dick Coutinho, is gratefully acknowledged.