This bundle of combo pack contains 8+1 books of Level-5 to Level-8 (A and B both books). These four levels cover the topics of Addition, Subtractions, Multiplications, Division, Square, BODMAS, Decimals, percentage (%), and CUBES also along with Mental Maths techniques. Our newly launched “Abacus Tutorial” (explaining all the Abacus techniques in detail, with pictures showing bead’s movement) worth Rs. 500/-, is “ABSOLUTELY FREE” with this combo pack. Book “A” is for classwork and Book “B” is for homework. Daily “Oral” practice of 10 minutes is mandatory for the students. Dailly practice tracker has been given at the start of book B. The “Dictation Book” for oral practice is also available here. Abacus is a great and ancient tool to learn mathematics and Fast Calculations. It helps in the whole brain development of a child. All books are very attractive and of very good quality.