A HL/SL Biology 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.