Pratchett Terry: Thief of Time (Discworld Novel #26)
Thief of Time (Discworld Novel #26) - Terry Pratchett. Time is a resource. Everyone knows it has to be managed. And on the Discworld that is the job of the Monks of History, who store it and pump it from the places where it's wasted (like the underwater - how much time does a codfish need?) to places like cities, ...a dál?