Book excerpt: Over the last two decades, cost management has been an area of dynamic change and development. This is evident in the extensive inventory of new, high-profile techniques that have emerged. With cost management now firmly established as a distinct sub-discipline within management accounting, The Routledge Companion to Cost Management is a timely reference volume covering both practical developments and research in this area. Topics covered include: Cost control issues Cost analysis and decision making Cost management systems Environmental cost management With chapters from an international team of contributors, this prestigious companion will prove an indispensible addition to any library with aspirations of keeping up-to-date with the world of accounting.