The uniquely effective levelled 4-book approach offers a unique choice of four student books & software tailored to match each with access to a grade C allocating just one single highly focused book to each student for the whole course making learning simpler & more focused (particularly on students who fall between Foundation & Higher tiers) & therefore enabling students to achieve their highest possible grade. The Foundation Plus homework book provides flexible learning support for the corresponding student book & targets grades C-E.