Butterfly – English Textbook for Class III is an activity-based, child-centric English language textbook developed by the Department of School Education, Government of West Bengal, under the West Bengal Board of Primary Education. Designed in alignment with the National Curriculum Framework (NCF) 2005 and the Right to Education (RTE) Act, 2009, it promotes holistic learning through engaging illustrations, thematic lessons, and hands-on exercises. The book aims to build the four essential language skills—listening, speaking, reading, and writing—through poems, stories, and interactive activities. It covers themes like friendship, animals, nature, seasons, water, and transport, encouraging sensitivity towards the environment and life around us. Teachers are supported with a dedicated guideline section to ensure effective facilitation. The series, inspired by Rabindranath Tagore’s educational ideals, fosters joy in learning and integrates classroom experiences with real-life understanding, thus nurturing curiosity, empathy, and language proficiency in young learners.