Every word we can say about a book, and how the words hold together

Three pillars carry the shelf — science fiction, fantasy and horror — and everything else either grows off one of them, spans the canopy between them, or sits in the ground they grew out of. Six more axes have no branches at all: those are the sky.

• 253terms
• 7axes
• 63genre nodes · 15 roots, 48 branches
• 190in the sky