Radiant Shadows , the fourth installment in Melissa Marr's Wicked Lovely series, has some very cool new facets (Steeds!), however it is what it is, which is a vehicle for any finishing touches, additional characters, and other set-up for the fifth book, which completes the series.
I'll admit I'm less invested in any WL storyline not primarily involving my personal favorite characters (Ash, Keenan, Donia, Seth, and Niall), and I'm sure that plays heavily with my 'meh' reaction to the book. I felt it was an unneccessary side-trip away from the "real" story, the brewing wars between the various fey courts. If the series weren't set up for each of its key players to have their own volumes, I'd have said Ani's story could have just about filled in two chapters of another book. However, I did see the need for Ani's love interest, Devlin, to have a book to himself, as he is the tie that binds the two strongest of the conflicting fey courts.
I enjoyed the handling of Ani's struggle to become her own person, even when she didn't fit anywhere, and even more Devlin's internal battles regarding his creators and his feelings for someone not precisely of his home realm. The book had the same dark, sparkling aftertaste of all Marr's novels, which I've always liked, and the new characters it adds to the mix for the upcoming book certainly create a whole new set of variables to the final outcome, so I look forward to that.
This is book is sitting right on the border between Buy and Borrow. If you already own the other series books, add this to your collection, but if the others have already come into and gone out of your life, follow suit and Borrow Radiant Shadows from a library or book buddy.