If you search Amazon by ISBN, it will bring up the book but says it is currently unavailable. However, in the past when I have found something on Amazon that is "currently unavailable" it usually says something like "we don't know if or when this will become available". That message is missing from the page for My Body Is Me, which makes me think that it is a decision for it to be unavailable, rather than a stock issue. You can leave a review though: link
However, you can buy all the copies of Mein Kampf you like. 