The Stockholm Octavo by Karen Engelmann

According to the age-old cartomancy, a person can manipulate any event through eight specific people: an octavo. Emil Larsson, a bureaucrat in 18th-century Stockholm, has his cards read and is delighted to find love awaits, if he knows what to do. As he strives to fulfill that potential, he realizes to his shock that his future is also intertwined with the state of the nation — and a conspiracy to bring down the king.

The Stockholm Octavo, Karen Engelmann, $20.