लेखक: Christian Bryan

Christian Bryan & Peter Giddens: Pearson Psychology for the IB Diploma

Randy McGonegal & William Ward: Pearson Baccalaureate Essentials: Biology uPDF

David Finamore: Pearson Baccalaureate Essentials: Economics uPDF

Andrew Davis & Garrett Nagle: Pearson Baccalaureate Essentials: Environmental Systems and Societies (ESS) 2dn Edition uPDF

Charles Gleek & Robert Murphy: Pearson Baccalaureate Essentials: Global Politics uPDF

Geoffrey Thomas: Theory of Knowledge for the IB Diploma