This was my favorite one out of the series. Even with the spoiler I gave myself. (I accidentally looked at the last page...Man...) 
 This book, was amazing. I don't give out five stars lightly, so this was just. Wow. It was different in the first two books in a way because it started off with the murder and we were given a lot more information. Normally we learn as Strike learns. So, this was refreshing in a way, but it still didn't give anything away. I was still guessing, and wondering and second guessing. I even went back and re-read passages when I was finished to see if anything gave the killer way. I was so happy with how Robin and Strike's relationship had grown. But honestly (view spoiler)[I wish Robin had stayed broken up with Matthew and not married him in the end because he's a horrible person. (hide spoiler)] 
 WE FINALLY GET TO KNOW WHY ROBIN LEFT UNIVERSITY! AND IT'S SAD AS SHIT! 
 That made me happy to get the information, but it made me understand Robin more also...made me hate Matthew more. He's seriously a shitty person. I can honestly say I hate him, yet it also sorta went away? (view spoiler)[When he started being sweet and supportive and kind to her so she wouldn't leave again I knew it was an act and it angered! But, Robin was so happy! (hide spoiler)] I care so much about Robin that it's weird that we aren't friends in real life. 
 DRUNK ROBIN IS BEST ROBIN! 
 That scene with her and Strike was probably one of my favorites. I also want their relationship to change, but I also don't. Cause, I like how closed off Strike is as a character but I love how Robin makes him open up, and she's kind of doubtful because he is the silent calculating type. 
 The Shanker is the best new character ever, and I love him in a way cause he's just so...Him I can't think of anything to say other than he is what he is and I love that. 
 AND THAT ENDING! 
 That ending was pure amazingness! (view spoiler)[The confrontation with the killer, and the way Robin looked at Strike when she said I DO instead of looking at Matthew! (hide spoiler)] You tease with that J.K you teased me with that and I need to know what that meant! 
 The fact that I can't stop talking about it, means yes this was a great book and I can't wait for Book 4! I wish it was in my hands now, but I can wait...hopefully I can!