Actual rating 3.5/5 stars. 
 I received this in exchange for an honest review from NetGalley. Thank you to the author, Becky Albertalli, and the publisher, Balzer + Bray, for this opportunity. 
 Molly and Cassie are sixteen-year-old twin sisters, as close as they were in the womb, and as unlike in looks as they are in personality. Molly is introverted and has had crushes on twenty-six (going on twenty-seven) guys whilst she has kissed exactly none. Cassie is fearless and kisses girls like its going out of fashion. 
 Everything they thought they knew about themselves and each other is about to change when Molly finds Mina, Cassie's perfect girl. Their childhood plans of marrying best friends might soon become a reality when Mina's hot best friend, Will, seems to be interested in Molly, too. But is this even what Molly want, anymore? And if it isn't, then when did she change and how does she decide on a new path for her future? 
 Coming-of-age contemporaries don't get much more perfect than Albertalli's debut, Simon vs. the Homo Sapiens Agenda, so this book had big boots to fill. Whilst I can safely say I really enjoyed reading this, it didn't blow me away like its predecessor. 
 What Albertalli does brilliantly is create a cast of characters that I can't help but empathise and relate to. Over the course of her novels, I find myself vying for every one of them and genuinely emotionally invested in the outcome of their teen plights. She manages to suck me in to a world and a time, so close and yet so removed from my own, within paragraphs of the book starting and it saddens me to say goodbye when I close the final page. 
 Her diversity must also be commended, as every book is filled with different sexualities and POC, which are in unfortunate short supply in YA fiction. 
 All that being said, I found this didn't have such a big emotional impact as 'Simon'. This was sweet, touching and moving... just not on the same scale as I have experienced from this author before. It feels wrong to compare two books, but I could not help to do so in this instance. Whilst this was a truly lovely read it wasn't quite as captivating, but still made me believe in the power and prowess of this writer.