pages in a bound cover. You can't judge it by its cover.
(Subclass-Partition Document (Setof Book Periodical-Publication Proceedings Thesis Technical-Report Miscellaneous-Publication)) (=> (= (Doc.Institution ?Doc) ?Organization) (Or (Book ?Doc) (Proceedings ?Doc))) (=> (Doc.Editor ?Doc ?Editor) (Or (Book ?Doc) (Proceedings ?Doc))) (=> (Doc.Series-Editor ?Doc ?Editor) (Or (Book ?Doc) (Proceedings ?Doc))) (=> (= (Doc.Series-Title ?Doc) ?Title) (Or (Book ?Doc) (Proceedings ?Doc))) (=> (Doc.Translator ?Doc ?Translator) (Or (Book ?Doc) (Proceedings ?Doc))) (=> (= (Doc.Edition ?Doc) ?Nth) (Or (Book ?Doc) (Proceedings ?Doc) (Cartographic-Map ?Doc))) (<=> (Edited-Book ?X) (And (Book ?X) (Minimum-Value-Cardinality ?X Doc.Editor 1) (Same-Values ?X Doc.Editor Doc.Author))) (Inherited-Facet-Value Slot-Value-Type Book-Reference Ref.Document Book) (=> (Book-Reference ?Ref) (And (Value-Cardinality ?Ref Ref.Document 1) (Value-Type ?Ref Ref.Document Book) (Same-Values ?Ref Ref.Secondary-Author Ref.Series-Editor) (Same-Values ?Ref Ref.Secondary-Title Doc.Series-Title))) (Inherited-Facet-Value Slot-Value-Type Book-Publication-Data-Constraint Ref.Document Book) (<=> (Book-Publication-Data-Constraint ?Ref) (And (Publication-Reference ?Ref) (Value-Cardinality ?Ref Ref.Document 1) (Value-Type ?Ref Ref.Document Book) (Value-Cardinality ?Ref Ref.Publisher 1) (Inherits-Publisher-From-Document ?Ref) (Value-Cardinality ?Ref Ref.Year 1) (Inherits-Year-From-Document ?Ref)))