Testing Software: Kindle Create

While I was constructing the three books of the Torc of Moonlight trilogy into a digital boxed set, I came across mention of Kindle Create, Amazon KDP’s formatting software. I
decided to give it a whirl, but not on a three-book boxed set (!). Normally I use my ancient version of  Word (2002), but even I can live in the past for only so long and I have recently moved on to LibreOffice5 Writer