Sentence: Aenir, a paperback book written by Garth Nix, has an ISBN number 0-439-17684-0 and an OCLC number 45644811.

What structured data could we extract from this sentence?
Aenir, oclcNumber, 45644811; Aenir, author, Garth Nix; Aenir, isbnNumber, "0-439-17684-0"; Aenir, mediaType, Paperback