This Kindle edition contains only part I, but it says nowhere that the other one is missing. Even worse, it's not available. Same thing with most of the other free editions, including the one on Project Gutenberg, illustrated and not. Be careful. If it ends with(show spoiler)
Now, this edition has a very good foreword, but it doesn't make up for this. Maybe the old editions that are public domain only had part I for whatever reasons and presented it as the entire work to the public back then, but surely a note of some sort could have been included on the part of the transcriber, on Amazon at least.