Book excerpt: The Penguin Careers Guide is the indispensable and practical source for anyone seeking careers information. Now fully revised and updated for its fourteenth edition, it contains in-depth discussions of hundreds of possible careers, with invaluable advice on education, training and employment issues. Whether you’re just starting out after college or returning to work, looking for a full or part-time position, wondering how to set up your own business or finance your studies, this is the essential guide to point you in the right direction.