What is a Victorian lady’s formula for love? Mix one brilliant noblewoman and her enigmatic protection officer. Add in a measure of danger and attraction. Heat over the warmth of humor and friendship,and the result is more than simple chemistry–it’s elemental. Lady Violet is keeping secrets. Firstshe founded a clandestine sanctuary for England’s most brilliant female scientists. Secondshe is using her genius on a confidential mission for the Crown. But the biggest secret of all? Her feelings for protection officer Arthur Kneland. Solitary and reservedArthur learned the hard way to put duty first. But the more time he spends in the company of Violet and the eccentric club membersthe more his best intentions go up in flames. Literally. When a shadowy threat infiltrates Violet’s laboratoriesendangering her life and her workscientist and bodyguard will find all their theories put to the test–and learn that the most important discoveries are those of the heart.