4000 Essential English Words is a six-book series that is design to focus on
practical high-frequency words to enhance the vocabulary of learners from high
beginning to advance levels. The 600 words in each book of this series along
with the additional target words presented in the appendices included in the
first three books of the series are the most useful words in English.
Clear, easy to understand definitions and examples
Various activities to reinforce target vocabulary
Progressive development of vocabulary across levels
Original stories which utilize target words
Useful color images that illustrate each target word
Free downloadable supplemental audio recordings of target word lists and stories to aid in listening and pronunciation