The focus on modelling in practice encourages the reader to think like a researcher, and consider how modelling can be used to probe questions of interest Clear, articulate writing style gives clarity to an often daunting subject Case studies demonstrate the use of modelling in practice, to give the reader a real insight into the application of modelling in real situations Numerous end of chapter problems and web-based tasks encourage the student to engage with the subject more deeply, to build a better understanding of the concepts presented Online Resource Centre features additional resources for lecturers and students, enhancing the value of the text as a teaching and learning tool.