The book confirms to the latest syllabus by CDC, for Grade 4 and the last chapter has been added for extension of knowledge. The information in the book has been updated and revised. Changes have been made as per the requirement of the syllabus. The book has colorful pictures added to make it more interesting for the children. A wide variety of materials are included to widen the horizon of students in general and keep them informed of Nepales culture and way of life, in particular.