Oxford IB Diploma Programme: Theory of Knowledge Course Companion : Paperback : Oxford University Press : 9780199129737 : 0199129738 : 19 May 2013 : Build confident critical thinkers who can process and articulate complex ideas in relevant, real-life contexts. The inquiry-based approach drives independent thought and helps learners explore ideas, questions and perspectives, equipping them with a higher level of critical awareness. Developed directly with the IB for the 2013 TOK syllabus.