Infinite Books
Books without a last page, and books that contain every other book.
4 volumes
The Autobiographies Described
Themselves; they write as they go — Discworld · Terry Pratchett
Death keeps a library containing one book for every person who has ever lived or will live. Each writes itself, continuously, in real time, and stops mid-sentence.
The Book of Sand Quoted
Unknown — The Fictions of Borges · Jorge Luis Borges
A cloth-bound octavo bought from a Bible seller in Buenos Aires. It has infinite pages, none of which can ever be found twice.
A First Encyclopaedia of Tlön Described
An anonymous secret society, over three centuries — The Fictions of Borges · Jorge Luis Borges
Volume XI of a forty-volume encyclopaedia describing a planet that does not exist, in such completeness that the planet begins to.
The Garden of Forking Paths Described
Ts'ui Pên — The Fictions of Borges · Jorge Luis Borges
An incoherent manuscript left by a Chinese governor who abandoned power to write a novel and build a labyrinth. His heirs found the novel unreadable and the labyrinth missing. They were the same object.