I think this review here sums up how I'm truly feeling. 
 But here's my "review": 
 Please do not call this a trans book. 
 This story is told from the view point of Luna's sister, a cisgender girl. Her thoughts, her feelings, all of her is what we really see, not Luna's and is therefore not about the trans person and is not a "trans story". 
 The constant misgendering from the summary alone makes me boil. 
 Reading through other people's reviews of this story, constantly misgendering Luna, makes me even more upset, and they obviously do not know how to respect a person's pronouns. 
 I don't care if the book is doing it, I don't care if the other characters or the author is doing it, you do not misgender a trans person, fiction or not, you don't do it. 
 This story doesn't even help on the side of how to be a good ally to trans people. Regan is the worst portrayal of an ally, you'd learn nothing from her. 
 Obviously books like these are important but this is not how it should be done. 
 And I'm not saying that cis people shouldn't be writing trans stories, I, as a trans person (ONLY SPEAKING FOR MYSELF, NOT ALL TRANS PEOPLE), actually don't mind who writes the story - on one condition - you have to do it right, you have to be respectful, you have to be mindful and you have to be willing to educate yourself on the topic and talk to a trans person in order to write your character instead of just assuming this is how it goes. 
 The amount of times I have read reviews that say that Peters has created an amazing story, full of respect and love for "transgendered" people, makes me so angry, because it's honestly, in no way, respectful. 
 As a side note, stop using the word 'trasngendered', it's not gramatically correct, you'll come across a lot of people, trans or cis, who will tell you not to use it. 
 And lastly, in my anger, if I see this goddamn book on one more "Greatest trans books everyone should read" list, I'm going to honestly throw my laptop at the wall. 
 That is all.