There is also a concordance for each story included at the end, with the stories in alphabetical order.
The works appear here in reverse chronological order of appearance at Paolo Bacigalupi (ology).
The tags with a "z " prefix:
The works are tagged by the type of story, and by length (novella, novelette, short story, etc.).
Elements of the story are broken down into types of characters, places, concepts, technology, vehicles, weapons, food, media, races, animals and plants.
The tags with a "zz " prefix:
These are references to the work the elementis from.
The numeric tags:
These are references to the approximate relative importance of the element as follows :
4.0 = Major element