The Accounting Controls Guidebook: Fourth Edition Controls are an essential ingredient of the modern business, since they can reduce error rates, minimize fraud, and ensure that procedures are completed in a consistent manner. The Accounting Controls Guidebook reveals the controls you need for every accounting system, from billings to financial reporting, in addition to such operational areas as order processing, shipping, and receiving. Controls are separately stated for manual and computerized accounting systems. The book also addresses types of controls, control principles, the proper balance of control systems, and how to construct a system of controls. In short, this is the essential desk reference for the accountant who wants to install and maintain a well-constructed system of controls.