Well, I successfully (mostly) uploaded my first Kindle e-book. I followed Guido Henkel's directions. My only problem was that Amazon didi not like the MOBI file I created in Calibre. I made an EPUB (Nook style) instead and Amazon converted it for me. I still haven't got the Table of Contents to upload, but that's not a big problem for a short book of poetry.
Next time I think I will do the whole thing in html and try uploading that file instead of trying to convert to MOBI first.
Now that I have a book, I also have an Amazon Author Page. Please visit and take a peek at my book.