What is it about certain books that makes them bestsellers? Why do some of these books remain popular for centuries, and others fade gently into obscurity? And why is it that when scholars do turn their attention to bestsellers, they seem only to be interested in the same handful of blockbusters, when so many books that were once immensely popular remain under-examined?

Addressing those and other equally pressing questions about popular literature, Must Read is the first scholarly collection to offer both a survey of the evolution of American bestsellers as well as critical...