Raz. RAZ(ReadingA-Z) is a set of widely used original English books, which has gathered 36 million+users from 32 countries and regions around the world. Pearson English is a set of English enlightenment books published by Pearson Education Group, which is popular all over the world and has interesting animal protagonists. It helps children to enlighten English in the form of word cards. Therefore, after finishing the A level of RAZ, you can start to brush the students' scores.