I just finished reading it.
Christopher (L. Bennet) wrote it. Published in 2011. A story starring those two guys, among others, that interviewed the crew from DS9 after Trials and tribblelations, which I did not notice until the bibliography/thanks at the end of the book.
It's quite good, but Daniel is talking about the roadmarkings of the only healthy timeline possible which was explained in Watching the Clock, more so than something that can explain what Seven was wearing in Brannon's comic.