Written to be extremely accessible each book provides: Quick and easy-to-read summaries of key ideas and key thinkers enabling students to attain and assimilate knowledge quickly. This title features that track the history of each idea, the idea in action today, the debate that surrounds it and its practical application It is an essential reference resource for AS/A2 Level courses, and students progressing to further study. It is an invaluable 'extra feather to the revision bow!' It demonstrates how the thinker/s ideas can or have had practical applications, outlining recent research relevant to the ideas and provides suggestions for further reading. It is suitable for AS/A Level courses and AVCE courses for all awarding bodies, and is also relevant for undergraduate and BTEC National and HNC/D courses.