Ms Books have compiled the notes written by the best faculty of O level according to the Cambridge syllabus. These notes are for the help of the students to make their studies easy. Almost all the topics have been covered in Point form, Detail explanation and Question-Answer format so that students may not only learn these but also feel their thinking skills stimulated that will induce curiosity and minimize the element of rote learning. When students are capable of making new questions, we feel our mission accomplished. The key feature of our notes is that they are in a proper book form and not in worksheet form. MS Books is the pioneer in compiling the notes in a proper book shape. We provide the best paper, printing and Inside material quality. MS Books is the pioneer in compiling the notes in a proper book shape. This student resource material is very beneficial for the students.