Veiled Court (Legacy of Avalon #1) by C.N. Crawford

This book is a premium first copy, similar to the original but not the original.

Former assassin Syn Malleore despises kings after the last monarch poisoned her sister with a deadly curse. Determined to find a cure, she returns to the Fey realm only to discover that powerful nobles are holding brutal trials to choose a new king. To stop another tyrant from taking the throne, Syn disguises herself as a baroness and infiltrates the competition. Her mission is twofold: steal a sacred relic to save her sister and sabotage the monarchy's return. Things become far more complicated when the dangerous and charismatic warlord Rion du Lac uncovers her deception and forces her into a fake romance to survive the deadly court politics