Suited for both Standard and Higher Level studies. Written by a highly experienced IB author team. Well structured and signposted material based around clear learning objectives. Expert selection of relevant theories and studies, ensuring the entire syllabus and assessment requirements are appropriately covered and addressed. Written to give you an international and transdisciplinary perspective. Well-placed critical thinking activities and Theory of Knowledge links throughout. Separate Theory of Knowledge chapter. Guidance on Internal Assessment and the Extended Essay. Integrated online learning resources to support and extend study.