Shadow Heir by Richelle Mead — book slip

Eugenie Markham, a shaman-for-hire and queen of the Thorn Land, faces a dire threat as a mysterious blight devastates the Otherworld.

With her unborn children at risk, Eugenie must navigate treacherous alliances and confront her own cursed fate. Fairy king Dorian sacrifices everything to help, but trust is elusive as secrets and betrayals loom.

As a formidable force threatens both the Otherworld and the human realm, Eugenie must wield her powers and make the ultimate sacrifice to save her worlds.

#1 New York Times-Bestselling Author Richelle Mead delivers a gripping conclusion to the Dark Swan series.