Columbia subject headings:
Conspiracy--Fiction.
Hippopotamus--Fiction.
Human-animal communication--Fiction.
Human-animal relationships--Fiction.
Technological innovations--Fiction.
Harvard subject headings:
Hippopotamus--Fiction.
Human-animal communication--Fiction
Human-animal relationships--Fiction
Technological innovations--Fiction
Princeton subject headings:
Conspiracy--Fiction.
Fiction.
Hippopotamus--Fiction.
Human-animal communication--Fiction.
Human-animal relationships--Fiction.
Technological innovations--Fiction.