Set of 2 books Mystery - My name is Red and Finance of wars - The first world war
 
My Name Is Red  by Orhan Pamuk
Even the illustrious circle of artists are not allowed to know for whom they are working. But when one of the miniaturists is murdered, their Master has to seek outside help. Did the dead painter fall victim to professional rivalry, romantic jealousy or religious terror?
 
The First World War by Hew Strachan
The First World War was costly in treasure as well as lives. Before its outbreak many commentators reckoned that the great powers could not afford to fight or that economic dislocation would bring war to a rapid close. They were wrong. Ways were found to fund the fighting that went beyond conventional devices like taxation or domestic borrowing.