 In 2004, 50 of these columns were published in a book by Kiepenheuer & Witsch in Cologne.The title of the book called "Der Dativ ist dem Genitiv sein Tod" (literally "The Dative is to the Genitive its Death") use puns employing the his genitive, which is not used in standard German and often considered unaesthetic, instead of the normative genitive case.More than 2 million copies of this book were sold within two years.