Continuum's Guides for the Perplexed are clear, concise and accessible introductions to thinkers, writers and subjects that students and readers can find especially challenging. Concentrating specifically on what it is that makes the subject difficult to fathom, these books explain and explore key themes and ideas, guiding the reader towards a thorough understanding of demanding material. Martin Heidegger is one of the twentieth century's most influential, controversial and challenging philosoph