4.5 Stars 
 Riaz and Adria's relationship burns steady and hot in this tension filled installment in the Psy/Changeling series. This is definitely a time when I'd recommend reading the previous books in this series prior to this one. Rest assured that each book is well worth the read, and you have a wonderful journey in front of you. Read no further if you don't want spoilers for the previous books. 
 We first met Riaz and Adria in Play of Passion. Riaz had come back from Italy after having found his mate - except she's already married and he can't have her. Adria, Indigo's aunt, was in a destructive relationship that's nearly destroyed her sense of self. Sparks fly between them from page one, something neither is sure they want. But they have to figure it out because they can't seem to stay away from each other. 
 The romance here ended up being one of my favorites. I admit that when I started the book I wasn't invested in Riaz and Adria and, as such, it felt like this book wasn't really focused on them. It didn't take long, however, until I absolutely adored both Riaz, with his strength and the warmth, and Adria's quick mind, intelligence, and warm heart. What I immediately anticipated, even as I worried about the resolution, was that their relationship was unlike any other we've seen in the series. There were real obstacles set up pitting Riaz and Adria's love against the odds in world as we know it. Nalini Singh resolved these conflicts in an absolutely stunning way - and one that didn't involve any deus ex machina, but simply made me believe in their love even more. 
 Ms. Singh is absolutely a master at weaving together multiple plots and threads throughout each book and, indeed, the entire series. Seemingly effortlessly we are treated to a whole lot of beloved characters from previous books - most especially Hawke and Sienna who have a very prominent plot line in Tangle of Need. It was wonderful to see more of their story and how they're making it work. Additionally, we see a lot of Kaleb (*sigh*), Judd, Mercy, Riley, and many others. Tangle of Need was a book just made me happy. I spent nearly the entire book smiling, laughing and cheering. 
 Honestly, Ms. Singh is a master of her craft. I'm constantly in awe of her ability to weave engaging, relevant, interesting stories around characters I truly care about, in a world that's so incredibly complex and compelling. Every time I pick up one of her novels I know I'm in for a treat and Tangle of Need was no different! Already I'm counting down to the next Psy/Changeling novel! 
 ETA: The last scene of the novel absolutely ramped up my excitement for what has to come next! It can't possibly be another year to wait...