Indispensable Party (Sasha McCandless Legal Thrillers, #4) - Melissa F. Miller Sasha McCandless is back and this time she and Leo Connelly have to stop a killer flu virus from being released. This latest book in the Sasha McCandless Legal Thriller series will blow away Sasha fans. This is the best book in the series so far and is jam-packed with action, suspense, and mystery. It was great getting to read about Sasha and Leo together again as a couple and solving a mystery together. I really can't get enough of Sasha and Leo. I was hooked on this book and when I reached the end I was dying for more Sasha and Leo. I would highly recommend this book to fans of the earlier books in the series and also to newcomers to the series. Read this book, you will not be disappointed. I would have given this more than 5 stars if I could have. Well done Melissa Miller!