Amazon helpfully supplied me with a list of all of John le Carré's George Smiley novels, and I apparently had some tonal misconceptions about them.
Follow
(This is, to be clear, not edited: I have no idea whether this was some kind of classification bug or if someone else did this as a joke, but this is the real page as I found it. Also, this only shows up on the "Paperback" version of the page; if you switch to "Hardcover" or "Kindle", it gives you the correct third book.)
