4 Leo Katz Mysteries books in order

1899 Vienna. A young dissident is murdered - his fiancée, wrongly accused.

Crime photographer Leo Katz’s images expose the true killers. But to save the innocent woman from the gallows, he risks revealing that he is in disguise and on the run.

As Leo infiltrates a nefarious network of vice… show more.

A new millennium brings chaos to Vienna, with a plague of rats terrorising the city.

When members of the nefarious Galvanisers Society of Vienna die in mysterious circumstances, surrounded by rodents, Leo and his friends look no further for the killers.

But during a freak lightning storm, a strange woman… show more.

In Vienna, orphans are dying at an alarming rate. One corpse holds the key to an unsolved case, and Leo is nowhere to be found.

With his whereabouts unknown, Leo's fate lies in the hands of his mortal enemy.

Life goes on for Klaus and Lucy, but when they begin… show more.

Leo didn't believe in the supernatural until she turned up.

Leo's peaceful new life with Duerr's travelling circus abruptly ends when a mysterious albino girl appears at their camp. Desperate and scared, she begs Leo to hide her from a demon worshiping cult, and to deliver a mysterious box to… show more.