Graham Brack

What do you do when the poison comes from within…? Prague, Czech Republic The body of a young woman is found strangled by the side of the road.

A royal marriage is in the making. But not everyone is happy with the match.... 1676, Leiden, the Netherlands Two years have passed since Master Mercurius last found himself embroiled in a murder case, and he has welcomed the peaceful interval. But now a letter has arrived for him from...

This time murder has hit close to home.... 1674, Leiden, the Netherlands 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...

Three missing girls. Only one body. Where are the others? 1671, Delft 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...

1688, The Netherlands. Master Mercurius has just settled back into his life as a lecturer at the University of Leiden when he is once again summoned by the Stadhouder, William of Orange.

Mercurius is back in a thrilling historical adventure Will Mercurius make it out of the English court alive? 1685, The Netherlands Master Mercurius has once again been summoned to The Hague by Stadhouder William of Orange. And a letter from William is never good news. King Charles II of England...

Three Jewish boys are missing . . . but why is nobody investigating? 1680, Leiden, The Netherlands The Dutch Stadhouder, William of Orange, has summoned Master Mercurius—and that is never good news. Mercurius has gained a reputation for himself with William for successfully undertaking...

A man who nobody liked has been murdered...but who had a motive to kill? 1680, Leiden, The Netherlands After a successful trip to England to secure the Princess Mary's hand in marriage to William of Orange, Master Mercurius is back at the University of Leiden. And once more, he finds himself...

Are the sins of the past threatening the present . . . ? 1686, The Netherlands After getting Master Mercurius jailed and nearly put to death with one of his schemes, the Stadhouder, William of Orange, has finally left Mercurius in peace. But Mercurius is not able to remain in Leiden for long. A...