This is the course guidebook that accompanies the 36 lecture “Great Course” of the same name. It is essentially an abbreviated transcript of each lecture, some related reading, and some “questions to consider”. (I watched the lectures, which is what I am reviewing here, and am using the book simply as an aide-memoire.)
We get an in-depth discussion of the English language, from before Old English, to the current (American) day, as studied through the lens of literature, with lots of fascinating detail about pronunciation, spelling, vocabulary, language change, poetry, dialects, and more, along the way.
Lerer has a very precise speaking style, with a rather dry academic style (although there is a clear passion for his subject evident throughout). So it is all the funnier when he deadpans certain things, such as the discussion of pronunciation partway through the Great Vowel Shift: