"We'll be one big, crazyMexican-American family" Perfect Chemistry is a book about a girl and a boy named Brittany Ellis and Alex Fuentes. Brittany is a north sider and head cheerleader at Fairfield High School and Alex is a south sider and he is a member of the gang called Latino Bloods. In the beginning of the book Alex and Brittany dislike each other and when the find out they are in the same chemistry class that makes them very upset. Just when the two thought things could not get any worst their chemistry made them chemistry partners. One day Alex and one of his friends made a bet that if Alex could not sleep with Brittany by Thanksgiving he would have to give his friend his motocycle. At first, Alex was losing the bet because Brittany would not even look at him. As the book goes on Alex comes up with ways to make her fall in love with him and they work. The only thing is that Alex finds himself falling in love with her too. Alex at first thought Brittany had this perfect life but he finds out that just the act she puts on at school. At home, Brittany has to deal with her crazy mom, who wants Brittany to be perfect, her dad, who is never really home and when he is at home it is like he is still at work, and her older sister, who is disable and the only person who Brittany thinks understand her. Towards the end of the book, Brittany see what it is like on the south side, where Alex lives, what he life is like, and why he is in a gang, which is to protect his family. At the end, Alex gets shot, but he lives, he's best friends who was also shot dies, he wins the bet and he tells Brittany about the bet and they get married a couple of years later. I love love love love love this book. I wouldn't compare it to twilight, though. Every book that features romance seems to get compared to Twilight lately. Perfect Chemistry deals with completely different issues that Twilight does. Simone Elkeles writes beautifully. Her characters are very dynamic.