An updated edition of the best-selling DIY manual you can’t afford to be without, with expert know-how for success every time.

Whether you need to do a quick fix or a large DIY project, find out how to tackle any DIY task with confidence following this revised and updated step-by-step guide.

From fitting a shower cubicle to applying different painting techniques, the simple, clear, unintimidating instructions ensure even hard jobs are made easy, whatever your level of ability.

With step-by-step photographs of every technique and process, DIY breaks down every stage of every task, from choosing tools and essential safety guidance to advice for tackling big jobs and fixing common problems. Including the latest home features like boiling-water taps and smart security systems, up-to-date safety guidelines, and eco-conscious solutions from paint choices to solar panels, this is the tried-and-trusted guide that no homeowner should be without.

The Immune System is a concise yet thorough human-oriented introduction to how the human immune system works. It provides an up-to-date presentation of the field, written in an accessible style, replete with relevant medical examples. Plentiful illustrations and micrographs complement and illuminate the explanations. The Fifth Edition is supported by InQuizitive, Norton's award-winning, easy-to-use adaptive learning tool that provides student practice and promotes critical thinking.