This dictionary includes 5,000 definitions of the terms, theories, and practices in the area of electronics and electrical science and engineering. It includes coverage of circuits, power, systems, magnetic devices, control theory, communications, signal processing, and telecommunications.

The dictionary defines terms from all aspects of personal and international finance, including financial trading, foreign exchange, derivatives, commercial and corporate banking, private investments and borrowing, central banking, monetary policy, and public and government finance.

This new edition provides A-Z definitions of terms from the broad field of social care. Accessible coverage of social work theories, methods, policies, organizations, and statutes, as well as key terms from interdisciplinary topics such as health and education, make this an ideal reference for students as well as qualified social workers.

This dictionary is renowned for its authoritative and clear explanations of political terms, as well as its impressive coverage of international relations, heavily expanded for this edition. It remains an essential A-Z guide to political terminology and theory.

This new fourth edition has been completely updated, with over 500 new entries increasing the coverage of botanical terms, key drugs derived from plants, and plant orders and families. Numerous appendices include new timelines and phylogenies, with vernacular plant names transferred to a fully cross-referenced appendix.