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 Jessica Khoury is easily one of the best sci-fi writers for young adults and Vitro is a testament to her extraordinary writing abilities. I was extremely impressed with Khoury's debut, Origin, but nothing could have prepared me for Vitro. I definitely believe that Vitro is a stronger book than Origin and it does an excellent job of raising ethical questions about scientific discovery. 
 When Sophie Crue receives a letter from her mother telling her to come to Skin Island. Sophie enlists the help of her childhood friend, Jim to take her to Skin Island and little do they know, that they are endangering her lives. On the island, scientists have created humans in test-tubes called Vitros, these Vitros were created for lives of servitude. 
 I love reading about Sophie Crue because she's a pretty average girl who just wants to capture the attention of her estranged mother. Sophie is extremely brave and selfless to the point where she kept putting others like Lux and Jim before herself. I was impressed by Sophie's resourcefulness and ability to adapt to even the most horrific of situations. 
 Sophie and Jim have known each other since they were little kids and I was a huge fan of their relationship. Even though, Sophie and Jim did their best to conceal their feelings from each other at times, I couldn't help but root for them to fall for each other. I really enjoyed banter that made up their conversations and I think that Sophie and Jim are one of my favorite YA couples. 
 I love when science fiction novels are plausible and these novels are always extremely frightening to read. The thought that scientists could be creating humans in test tubes was a shocking revelation. Khoury takes very complex science and makes it extremely appealing and easy to comprehend even for readers with minimal scientific knowledge. Vitro raises so many thought-provoking questions like: When does science go too far? What makes us human? Should people try to tamper with the laws of creation? Khoury never gives the readers a clear-cut answer, but she gives readers much to think about. 
 Jessica Khoury is an incredible storyteller. Few authors possess the ability to create such vivid, life-like environments and settings like Jessica Khoury does. Readers will feel like they have been transported to Skin Island while reading Vitro because of Khoury's wonderful prose. I felt the intense sense of danger that lingered throughout Skin Island, as well as the raw beauty of the island. 
 Vitro is an extremely-fast paced novel and entertaining novel that sets a new standard for sci-fi novels. Jessica Khoury is quickly becoming the Queen Of YA Sci-Fi, at-least in my eyes and I truly hope that there is another Origin novel set to be published. Though Jim, Sophie, and Lux's story is over, I would love to read another book set in this world!