Atomic number: 8 Name of chemical element: Oxygen Symbol: O Every theory has a test subject... even between best friends. The pact: Stanford. The betrayal: AJ attending Duke. The reason: She did something stupid like fall in love with Evan. The problem: Evan's not ready to let this betrayal go so easily. The solution: Find AJ and fix them. The Theory of Unrequited, Book One in The Science of Unrequited: The Story of AJ & Evan