*This Student Book includes all four mandatory units plus eight popular optional units providing complete coverage for the BTEC Level 3 National Supplementary Award or BTEC Level 3 National Certificate qualifications. *Assignment activities give practice for all grading criteria for the units covered, with Edexcel's own assessment tips written and reviewed by BTEC Level 3 National experts to help learners achieve their potential. *WorkSpace case studies link each unit to real-world business decisions, helping learners to see how the theory is put into practice in industry and to relate their learning to their future careers.