The author of The Secret History of the Pink Carnation continues the romantic adventures of England's greatest spy with a newly arrived adversary from France, the murderous Black Tulip.

The Pink Carnation, history's most elusive spy and England's only hope for preventing a Napoleonic invasion, returns in Lauren Willig's dazzling imaginative new historical romance.

The Masque of the Black Tulip opens with the murder of a courier from the London War Office, his confidential dispatch for the Pink Carnation stolen.

Meanwhile, the Black Tulip, France's deadliest spy, is in England with instructions to track down and kill the Pink Carnation. Only Henrietta Uppington and Miles Dorrington know where the Pink Carnation is stationed. Using a secret code book, Henrietta has deciphered a message detailing the threat of the Black Tulip

Meanwhile, the War Office has enlisted Miles to track down the notorious French spy before he (or she) can finish the deadly mission. But what Henrietta and Miles don't know is that while they are trying to find the Black Tulip (and possibly falling in love), the Black Tulip is watching them...