What a roller coaster of a ride! This book had lots of angst and a great story line - one that's very different from anything I've read recently. Both the main characters, Grayson and Sam, were burdened by situations in their lives and love was the last thing on their minds. But, as is sometimes the situation, life threw them a curve ball and, when they meet, it was explosive. Their chemistry was undeniable from the very beginning and, although it was quite a long road from beginning to end, the fact that they belonged together was never in question. 
 Grayson is a tortured soul. His past was marked by a tragedy that has not gone away and still consumes him. He feels tied to it and is having a difficult time moving forward even though he really wants to. It's at this point that I would love to tell you all about this link to his past and what it means and how it affects everything...but I can't do that. This piece of the puzzle is one that needs to be experienced first hand because it's such a big part of why things happen. I will say that it gave me all the feels and made me love Grayson even more! So, I apologize for being vague, but you'll thank me later. Just know that he is one swoony book boyfriend!! Sam was smart, sassy and strong. She'd made some mistakes in her life but she was trying to move forward. I liked her strength and her ability to do the right thing even when it was hard. 
 The romance here was sweet and sexy and made my heart very happy. As with all Ms. Yarros' books, I fell in love with her hero and I rooted for the relationship from the very beginning. I especially loved the twists and turns of the second half of the book that kept me turning the pages. Although this is part of a series, it can easily be read as a stand alone so you might want to start here. But, I'm sure that, like me, once you've read one of Ms. Yarros' books, let yourself be immersed in the romance, and given your heart to one of her heroes, you'll be eager to get your hands on all her books!