Our Wondrous World is the official NCERT Environmental Studies (EVS) textbook for Class 4. It is designed to help young learners explore and understand the world around them through engaging stories, real-life examples, activities, observations, and simple explanations. The book introduces children to their community, nature, health and well-being, things in their environment, and broader environmental awareness in a child-friendly and experiential way aligned with the latest NCF-SE 2023 and NEP 2020 educational vision.