^^Okay, that's what I initially thought you meant, but then I started thinking about the missing time in Chichen Itza after the kaboom of doom goes off and wasn't sure if you were talking about that. (one of the story points I've picked out that might involve some time travel)
Sad News to report:
's release date has been pushed back to the end of July (July 26th) instead of of the end of March/beginning of April.
It was announced this weekend at MarsCon:
Part 1: http://www.youtube.com/watch?v=iKCc5tTpppM
(Part 1 of 7)
Upside, this is his first delay ever, and it's only 3-4 months.
Also, Jim announced the title for the next Dresden Files - Book 14: Winter Knight