A Theory of Knowledge textbook plus interactive eText for IB EALs. Pearson Baccalaureate Essentials is the first IB series written specifically for EAL students. Designed to supplement standard textbooks, each book acts as a condensed guide to Diploma subjects, with targeted language to embed key concepts without the obstacle of translation. The books are written in a clear academic style - efficient, succinct sentences which are accessible for students whose first language is not English.