Dark Harmony by Laura Thalassa — book slip

Callypso Lillis, a siren, finds herself bound by fae magic to Desmond Flynn, the King of Night and her soulmate. This connection, while powerful, makes her vulnerable to the Thief of Souls, who threatens to destroy the Otherworld.

As Des's father returns from the dead seeking revenge, Callie and Des must race against time to stop their enemies and save their realm.

Their journey across realms uncovers secrets and tests their bond, with the fate of all fairies hanging in the balance.

From bestselling indie author Laura Thalassa, this is the final book in the dark fantasy romance series, The Bargainer.