<human>:  What kind of books should I read to improve my English vocabulary?
<bot>: Books that help improve English vocabulary usually contain word lists in the form of exercises, activities and examples. Look for titles that contain words from a variety of levels, from basic to advanced, and books that focus on particular areas of the English language, such as grammar, punctuation, or literature. Titles such as 'English Vocabulary in Use' by Cambridge University Press, 'Oxford English Grammar Course' by Oxford University Press, and other similar books can help you to become better acquainted with the English language.