The covers are for issues 1 to 44 (which is inclusive of all the stories this book reprints and the UK covers for the issues reprinting *US #1-12).
There's very little actually about the non-TF content. I wonder if a latter volume will provide a back-up strip index.
It's $30 USD (but I paid $18 AUD shipped)
We don't know how many yet. At least five volumes I'd guess. The art gets better but it's not crash hot to start with.
It's in publishing order. The first few UK stories are all 'flashbacks' between the first four US stories but otherwise everything flows (except perhaps the text stories in the Annual).