This series follows Chelsea and Gabriel, two people with not so perfect live, that end up being intertwined together. There are many books in this series and many different characters with different background stories, that you can read about in her other books that aren't really part of the unexpected series but are still all great stories. So this chapter is not about on book but a specific author with one large story line, in multiple different books.
Author's Summary:
All books are completed except for the one she is currently writing as of July 29, 2015
Different amounts of parts in each story, usually at least 20 parts in every book she writes, sometimes more.
"She is the Chosen One. He is Gabriel Gavino, il prossimo Mafioso Don - the next in line. Before she saves anyone they're going to save each other."