Why the advance mention? Because there is Other Good News in the pipeline to be announced next week :-)
And any of the major ebook providers will be happy to queue up your order ....
Bottom-lining it: This is an epic offer on an epic -- and much acclaimed -- hard-SF story line that spans centuries and light-years. A story line with: Existential dangers. Larger-than-life deeds, both villainous and heroic. Truly alien aliens. Amazing advanced technologies. How epic? Here's my favorite blurb per novel (in series order, from first to last):

