Book excerpt: 21st Century Criminology: A Reference Handbook provides straightforward and definitive overviews of 100 key topics comprising traditional criminology and its modern outgrowths. The individual chapters have been designed to serve as a "first-look" reference source for most criminological inquires. Both connected to the sociological origins of criminology (i.e., theory and research methods) and the justice systems' response to crime and related social problems, as well as coverage of major crime types, this two-volume set offers a comprehensive overview of the current state of criminology. From student term papers and masters theses to researchers commencing literature reviews, 21st Century Criminology is a ready source from which to quickly access authoritative knowledge on a range of key issues and topics central to contemporary criminology.