The book exploits a brilliant plot. Unfortunately, the character development is severely truncated.
The plot is obviously one which could easily be shot as a regular Torchwood episode. Unfortunately, the pacing of the book and the abrupt changes from one scene to another give the reader the feeling whoever wrote the book was writing the first treatment for such an episode and not the final script, much less book.
Had the author been given more time (the author complains in a note about the time constraints), I think this could have been a very good read. As it stands, we are left with the feeling that Gwen is a busy-body, Ianto is more sexually polymorphous in his tastes than Jack (and that takes some doing) and Bilis loses the queenly nastiness which is his villainous charm.
Not even a PG treatment of Ianto and Jack's love for each other, Tosh is little more than a walking computer, Owen, who's Owen?.
Sigh.
Sorry - I really thought this was going to be a good read. It disappointed me so much that I haven't bought any of the further books in the BBC collection since. Stick with the series itself, the Doctor Who series and the outstanding fan-recs. The audio books were really quite good, what on earth caused some money-grupping young-dynamic-manager to do this?
I could change the names, make the whole thing Stargate Atlantis or Deep Space Nine or any one of several Sci-Fi verses and the whole thing would have still hung together like cold oatmeal.
On a scale of 1-10, with 1 being as poorly drawn as the episode "Everything Changes" and 10 being "Something Borrowed", I'd give this book a -25.