Last night my colleague and I undertook our 4th annual trek to the Toronto Antiquarian Book Fair, an event to which I very much look forward. Alas, it takes place only once a year, and life affords only so many opportunities to seek out such rare and marvelous books. But there is another way to satiate one's hunger for many a quaint and curious volume of forgotten lore, and that is, fittingly, by reading books that are about books...