A Summary of each of the 3 textbooks is included here and a copy of the Unified Field Chart for that book. Plus:Notes on the content of the chapters- advice, suggestions etc.Mental Tests (correlated with the books) and answers- which allow earlier work to be regularly revised, give stimulating ideas relevant to the current lesson and which develop themes from earlier tests which may ultimately become the subject of a lesson. Extension Material and answers (about 16 per book)- these consist of a 1 or 2-sided sheet given to children who work fast and get ahead of the rest of the class. Many of these are also very suitable for work with a whole class.Revision Tests and Answers- There is a revision test every 4 or 5 chapters. This includes a mental test of 10 questions.Games, Worksheets etc.