If you haven't read Flat Out Love I suggest doing so before reading this book.
Celeste is all grown up and a senior in high school, she's trying to decide what college to attend while still trying to overcome her awkwardness around people and in social situations. When Justin from Barton College in San Diego emails her and tries to propose his school to her they form an instant connection through emails. He has his own quirks and she finds them adorable where others find them annoying. They soon meet and develop deep feelings for each other. While trying to manage a long distant relationship and their own insecurities a secret comes out about her brothers breakup and destroys everything. Will Celeste ever get over her issues? Is Justin the person to get her to come out of her shell?
So besides being a great book with two HEA's it a great message as well!