Covers all aspects of functional programming, both theoretical and practical, to provide a coherent overview of research's most recent developments. This book features: language design, proof and transformation, semantics and models, implementation, applications, type systems, parallelism and distribution, performance modelling and profiling, education, real time and reactive programming, programming methodologies. The volume brings together many leading practitioners and contextualises their contributions through a substantial introduction, appropriate overviews and summaries, and a rich bibliography and index.