Read more. A thrilling saga of a boy, Gallin, and a girl , Alexine, lifelong friends, who escape an assassin on their shared 16th birthday only to face mortal danger on a different world , TYRANT'S CROWN: Brothers and Sisters is international best-selling author Joseph Amiel's thrilling saga of a boy, Gallin, and a girl , Alexine, lifelong friends, who escape an assassin on their shared 16th birthday only to face mortal danger on a different world , but also the prospect of greater power and purpose than they could have ever imagined. It is the first book in the TYRANT'S CROWN series. Dropped into a strange version of London in the 1770s, they join the crowd outside Westminster ...