Lakhmir Singh and the manjit Kaur are doing great job under the s Chand publishing house it is really help full fore the students it is the really nice side book for class 10th. The topics are explained briefli with the appropriate examples which is easy to understand even for week students. It also has well animated pictures as to make proper understanding of students. If you will read it once with proper concentration u will never forget as it explained texts wich are printed are also have high quality the price is also affordable it is not more than your capacity if you will read it you will feel that the teacher is sitting beside you and helping you in understanding the topic which you have to understand it is very clear and simple it also shows the experience and greatness of the authors they are trying to make sure that student can understand the topics of the the science very clearly. And I don’t think so that any book can explain more than the these science books. If you want to be successful instantly for the 10 class I recommend you to read the science books published by s Chand publishers written by great writers. If you will read it you will be gone fan of it. Because only of its clarity and and under standing concept that’s all