the main coursebook for Level 4 of the Curious Kids series, designed for primary school learners of English. It develops listening, speaking, reading, and writing skills through engaging stories, projects, songs, and real-world topics while strengthening grammar, vocabulary, pronunciation, and communication abilities. The package includes a Digital Pupil's Book for interactive learning and access to the Navio App, which provides audio, videos, interactive activities, games, and progress tracking to support learning both in the classroom and at home.