There are about an equal number of "I read that" and "Did I read that? Or just part of it?" If you go into a used bookstore (remember those?) you find very few

There are about an equal number of "I read that" and "Did I read that? Or just part of it?" If you go into a used bookstore (remember those?) you find very few copies of Swann's Way but plenty of copies of the other books in In Search of Lost Time. Apparently it's common to read the first one and never go any further. I can't claim to have even done that.