audio book narrator: 
overall it was nicely done but as soon as the topic (thoughts, actual situations or interactions and just general moments) of interest between the two main characters came up her voice turn breathy and a bit too overdramatized for the situations, for me at least. 
i don’t need someone to breathily tell me that a character thinks another one is hot. a normal tone of voice is just fine. 
maybe a personal preference. 

but her overall narration of the book was well done. she didn’t talk too slow so that people that don’t want to speed the audio book up will get frustrated but she also didn’t talk too fast either. 
her slight alteration of the different voices was okay too, clearly distinguishable between every character. 

book: 
the book itself was cute. i liked the characters. 
i loved that hannah wasn’t the stereotypical “i know i wanted to go into science since i was born” kind of character but rather that she found her passion and had to work hard to get where she wanted to be. 
the entire series was a very nice turn on stereotypes actually so this one fotterd right in. 

like the two before in this series this third book followed the same formula/plot structure so no surprises there. 
but it was nicely written and the romance was good.

all in all?
this was fun! 
i enjoyed myself and i loved getting all three of the  girlfriends together in this instead of just snippet es of phone conversations between them. 

it’s a nice conclusion and i would recommend both the book itself and the audio.