Alyssa Cole's "An Extraordinary Union" is a powerful, historical romance that focuses on former slave-turned-spy Elle Burns. When she meets Malcolm McCall, a Pinkerton agent who is on an undercover mission to infiltrate a rebel enclave, her life changes forever. Together, they uncover a plot that could change the tide of the Civil War. Soon, these two undercover agents are working side-by-side, and falling hopelessly in love with one another along the way.