Yeah, one of the ones I'd never actually even heard of before I did the book!
And that whole thing about the bathtub was made up by a newspaper columnest in 1917.
Let your retailer/book store know "PRESIDENTS OF THE UNITED STATES" has a diamond order code of: NOV084121 or that it's ISBN number is: 1600103448 if you actually want a copy to come in. You have to be proactive with these sorts of books or it'll never even make it to many stores for you to look through!
If all else fails you can always find it on Amazon here.