The series is designed to build a vocabulary of approximately over four years of study. Content Focus Book 1
: Several educators have compiled the audio into playlists. The Essential English Book 1 Playlist provides over 30 lessons in a video format, which is often easier to follow than raw audio files. The series is designed to build a vocabulary
often host digitized versions of the books and occasional audio supplements. Specialized Educational Forums: Sites such as DiendanTailieu The series is designed to build a vocabulary
Here is how to get Books 1–4 audio onto any modern device. The series is designed to build a vocabulary