Schemes

Bethany returns to Taftlin to uncover a plot to assassinate King Arrago and Prince Henry. She enlists some interesting allies along the way, including an elderly duchess with a sharp tongue and an eager apprentice knight, and together they race against the clock. 

Schemes is Book 4 of the Tranquility series. This final book in the series is a novella (short novel) and is about 50,000 words or 180 pages.