A thrilling mystery series for readers 9-12, perfect for fans of Katherine Woodfine, Robin Stevens and Enola Holmes.Watch the new TV adaptation launching on the BBC in spring 2026!Murder descends on a Tudor court!In spring 1569, thirteen-year-old Lady Grace, youngest lady-in-waiting to Queen Elizabeth I, must choose between three suitors at a glittering ball: kindly old Sir Charles, flashy Sir Gerald or sweet, anxious Lord Robert. The choice is easy for Grace: she doesn't want to marry any of them!When Sir Gerald is found dead after the ball, suspicion falls on Lord Robert. But Grace has noticed that Sir Charles has been acting strangely – and there is something odd about the body…With her friends Ellie the maid and Masou the acrobat, Lady Grace sets out to protect the Queen, and discover what really happened that night.‘A gripping historical thriller’ Sunday Times