Have you ever wondered how to re-use an old grave? Or how to live with crazy buttocks? Or how to knit with dog hair? Well luckily for you, there's a how-to book for all that and just about every other activity known to man.
There were tons to choose from, but we collected the 21 funniest and most bizarre how-to books the Internet had to offer. Are they all crazy or actually useful? Vote and let us know!