H. L. Mencken’s The American Language is a landmark survey of how English evolved into a distinctly American tongue. First issued in 1919, it documents the vocabulary, spelling, pronunciation, and grammar that separated American usage from British, treating slang and everyday speech with the same seriousness scholars reserved for literary language.
Mencken, the sharp-tongued Baltimore journalist, wrote with wit and a reporter’s ear, gathering evidence from newspapers, advertisements, and ordinary conversation. The book celebrates the inventiveness of American English and argues that the living language of the people, not the rules of grammarians, drives linguistic change. It remains a foundational and endlessly readable work on the subject.