Master Mercurius Mystery Series

Three young girls have been abducted from their homes. The body of one has been found in a shallow grave. The other two are still missing. The murder has shocked everyone in the peaceful city of Delft, and the mayor is desperate to catch the perpetrator before panic can spread any further. With the bitterly cold January weather intensifying, it is doubtful that the other two girls are still alive. But whoever took them is still at large.

After successfully solving the case of the missing girls in Delft, Master Mercurius has made a name for himself as a private investigator. With unrest occurring both nationally and internationally, William of Orange is obsessed by plots against his leadership. He calls on Mercurius to help to spy on state officials. But before Mercurius has a chance to investigate, his colleague at the University of Leiden is killed. And when one of William's men is also murdered, Mercurius suspects there could be a serial killer on the loose.

Leiden, the Netherlands, 1676: Two years have passed since Master Mercurius last found himself embroiled in a murder case. But now a letter has arrived for him from Stadhouder William of Orange: Mercurius is wanted for another mission. William has decided he wants to marry. And he has his sights set on Princess Mary, the niece of King Charles II of England. William has decided that Mercurius, as an ordained minister, is the perfect person to travel to England and secure the hand of the princess on his behalf.