Master #English #Language has 18 hours of lectures, 40 quizzes, and a 196-page ebook (with answers and hyperlinks). It is aimed at native speakers, and the price is £20 for fiat, but only £8 if you pay in Bitcoin (on chain or zap me). #Punctuation, #parts-of-speech and #rhetorical devices are topics included on this course. More information can be found here:
https://www.skype-lessons.com/courses/master-english-language