Crime and Punishment the two halves of the novel, as David Bethea has argued, is organized according to a mirror-like principle, whereby the "left" half of the novel reflects the "right" half. The seventh part of the novel, the Epilogue, has attracted much attention and controversy. Some of Dostoevsky's critics have criticized the novel's final pages as superfluous, anti-climactic, unworthy of the rest of the work, while others have defended it, offering various schemes that they claim prove its inevitability and necessity. Steven Cassedy argues that "Crime and Punishment" "is formally two distinct but closely related, things, namely a particular type of tragedy
Crime and Human Nature opinions on the causes and prevention of crime." Nevertheless, she concluded that the book "...will be useful to anyone who wishes to have access, in one volume, to most of the important criminological studies of the past 50 years." "Crime and Human Nature" was called "the most important book on crime to appear in a decade" by John Monahan in 1986. Also in 1986, Michael Nietzel and Richard Milich wrote of the book that "Seldom does a book written by two academicians generate the interest and spark the debate that this one has," noting that by February 1986, it had