This booklet is one of five in the Peace Corps (PC) Programming and Training Guidelines collection that provides agency-wide programming and training guidance for PC staff and project partners. It shows how to design and implement a monitoring and evaluation (M&E) plan for PC projects. Chapter 1 provides an overview of M&E, including what they are and who does them. An example of an M&E plan shows how a plan summarizes the overall focus of project M&E, methodology and timing, implications for training, and reporting and use of results. Chapter 2 on developing and implementing an M&E plan shows the steps involved. An M&E planning worksheet is provided. The following chapters in the booklet walk the reader through the steps to completing and implementing an M&E planning worksheet. Each chapter presents a portion of a completed worksheet. Chapter 3 focuses on reviewing the project framework. Chapter 4 addresses identifying information needs, including what questions to ask, selecting indicators, and working with project partners. Chapter 5 discusses collecting and analyzing data, including sources, data collection methods, and training for M&E. Focuses of Chapters 6 and 7 are using M&E results and conducting formal project evaluations. Appendixes include examples, sample instruments, acronyms, glossary, and index. (YLB)