An exciting textbook for students and teachers of the International Baccalaureate Diploma, written and developed by practising IB teachers: — Provides comprehensive coverage of all the Ways of Knowing and Areas of Knowledge; — Engages students in critical thinking relevant to their other courses and their life outside the classroom; — Enables clear links to the Learner Profile, the IB core values and all the IB hexagon areas; — Provides guidance on the Prescribed Essay and the Student Presentation.