overview of enterprise resource planning (ERP) systems and related systems and technologies and can be used in an undergraduate or graduate information systems or supply chain course. The book is also useful and practical for professionals interested in learning more about ERP systems. This 4th edition continues to be vendor-agnostic and has been substantially revised to keep pace with technological advances and current research in ERP. Modern ERP begins with an introduction to ERP, followed by ERP technology, business process reengineering (BPR), and process mapping. Also discussed is the myriad of activities involved in planning for and implementing ERP systems and the functionality included in ERP such as financial management, sales and order fulfillment, supply chain, and human capital management. The book concludes with ERP security and business analytics. Innovative graphics and screenshots of ERP, CRM, and business analytics software have been included in the text to facilitate the learning process.