Statements (27)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:book_series | 
| gptkbp:binds | dos-à-dos | 
| gptkbp:countryOfOrigin | gptkb:United_States | 
| gptkbp:firstPublished | 1952 | 
| gptkbp:format | dos-à-dos binding | 
| gptkbp:genre | gptkb:mystery gptkb:science_fiction western | 
| gptkbp:language | English | 
| gptkbp:lastPublished | 1973 | 
| gptkbp:mediaType | paperback | 
| gptkbp:notableContributor | gptkb:Philip_K._Dick gptkb:Samuel_R._Delany gptkb:Ursula_K._Le_Guin gptkb:Jack_Vance gptkb:Andre_Norton gptkb:A._E._van_Vogt | 
| gptkbp:notableFor | collectible status among fans inexpensive paperback format two novels in one volume | 
| gptkbp:numberOfVolumes | over 500 | 
| gptkbp:publicationYear | 1952–1973 | 
| gptkbp:publishedBy | gptkb:Ace_Books | 
| gptkbp:targetAudience | adult readers | 
| gptkbp:bfsParent | gptkb:Ace_Double_D-103 | 
| gptkbp:bfsLayer | 7 | 
| https://www.w3.org/2000/01/rdf-schema#label | Ace Double |