Bill Bolton's Engineering Science is a successful and popular textbook written for all Advanced GNVQ and BTEC National students. A concise and accessible text is supported by numerous worked examples and problems, including multiple choice questions to provide practice for end of unit tests.The third edition has been revised in line with the latest syllabuses and draft syllabuses, and expanded to include the optional units for Advanced GNVQ in Mechanical Principles and Electrical Principles. This breadth of coverage also means that the book is an ideal general introduction to its subject area for City & Guilds and HNC / HND students.