Gaelen Foley said this quote

(Kate) had found multiple titles by individual authors scattered willy-nilly through the collection. It made her want to pull her hair out. Obviously!- an individual author's body of work all belonged on one shelf, the works arranged, in turn, by whatever system was most suitable: by volume number, alphabetically by title, or by the year of publication, or, in case of playwrights, works grouped by genre- tragedies with tragedies, comedies with comedies, histories with histories, and so on.