Historically, the genre has involved lots of religious tracts, some erotica, and various improving volumes. But cat literature forms a not-inconsiderable part of the canon.
The Paris Review delves into the feline-filled world of miniature books.
P.E. Garcia is an Editor-at-Large for the Rumpus and a contributor to HTMLGiant. They currently live in Philadelphia, where they were recently accidentally elected to be Judge of Elections. Find them on Twitter: @AvantGarcia.