Developed in collaboration with the International Baccalaureate (IB) and aligned with the 2025 subject guide, this comprehensive Course Book provides thorough support for key concepts, theories, and essential skills. Authored by experienced IB educators, examiners, and curriculum developers, the course book ensures full syllabus coverage for both Standard Level (SL) and Higher Level (HL), offering high-quality content that balances theoretical knowledge with practical skill development.