Engineer Trilogy Series by K.J. Parker

When an engineer is sentenced to death for a petty transgression of guild law, he flees the city, leaving behind his wife and daughter. Forced into exile, he seeks a terrible vengeance -- one that will leave a trail of death and destruction in its wake. But he will not be able to achieve this by himself. He must draw up his plans using the blood of others...In a compelling tale of intrigue and injustice, K. J... moreWhen an engineer is sentenced to death for a petty transgression of guild law, he flees the city, leaving behind his wife and daughter. Forced into exile, he seeks a terrible vengeance -- one that will leave a trail of death and destruction in its wake. But he will not be able to achieve this by himself. He must draw up his plans using the blood of others...In a compelling tale of intrigue and injustice, K. J. Parker's embittered hero takes up arms against his enemies, using the only weapons he has left to him: his ingenuity and his passion -- his devices and desires. less

The second part of a trilogy, after Devices and Desires and before The Escapement. The engineer Ziani Vaatzes designed and built a war. Thousands died as a consequence of his elaborate plan. The civil servant Manuo Psellus took the decision that started the war. The very foundations of his world are now threatened. The ruler Duke Valens brought the war on himself. Now he must decide whether to sacrifice his country to save his people... moreThe second part of a trilogy, after Devices and Desires and before The Escapement. The engineer Ziani Vaatzes designed and built a war. Thousands died as a consequence of his elaborate plan. The civil servant Manuo Psellus took the decision that started the war. The very foundations of his world are now threatened. The ruler Duke Valens brought the war on himself. Now he must decide whether to sacrifice his country to save his people. They embarked on the war for their own reasons, but as it takes on a life of its own they find they've become components in their own machine. And the machine, it seems, has one purpose: to render evil for evil. less

The engineer Ziani Vaatzes engineered a war to be reunited with his family. The deaths were regrettable, but he had no choice. Duke Valens dragged his people into the war to save the life of one woman - a woman whose husband he then killed. He regrets the evil he's done, but he, equally, had no choice.Secretary Psellus never wanted to rule the Republic, or fight a desperate siege for its survival... moreThe engineer Ziani Vaatzes engineered a war to be reunited with his family. The deaths were regrettable, but he had no choice. Duke Valens dragged his people into the war to save the life of one woman - a woman whose husband he then killed. He regrets the evil he's done, but he, equally, had no choice.Secretary Psellus never wanted to rule the Republic, or fight a desperate siege for its survival. As a man of considerable intelligence, he knows that he has a role to play - and little choice but to accept it.The machine has been built. All that remains is to set it in motion. less