The book tbh is a must buyy!! It's an amazing book with clear explanations and proper step by step processes ... You also have this 30 min errors finding challenge which will enhance more of your understanding... Overall this reference book will make your preparation just RIGHT!! With that saying I think if you are midst the thoughts of buying it then I would say that you def shouldn't give it a second thought!!!! ✨✨ because as a ninth grader i think in a short span of time they released a great reference and question bank

Best book for Maths.....!Must buy⭐⭐⭐⭐