Night Study is the 5th book in the Study series.  It continues right were Night Study left off, after Yelena’s big reveal to Valek  .  Yelena continues to deal with her loss of magic. This has a huge impact on her, as you can imagine and she realizes just how dependent on it she has been. Tensions between Ixia and Sitia are growing worse, and war seems to be imminent. The Commander is, well, not quite himself and Valek seems to have mysteriously lost his trust. I will admit, I do not read a lot of books labeled Young Adult, so I may be off base on some of my assumptions. One thing I do feel is unique about this series (at least from my experience with YA), is that the last two books in the series take place after a good amount of time has passed from the first three. What that means is that the main characters have aged and are more “adults” than they are “young adults”. I believe they are in their late 20s, Valek may actually be in his thirties. But, the overall tone of the book and content is very much in line with what I…