It was at the fair that publisher Kaye and Ward bought the world publication rights .
Peter Stockham encouraged Vox to produce 12 copies of the prototype and present it at the 1980 Frankfurt Book Fair .
Vox was at the fair that publisher Kaye and Ward bought the world publication rights .
Peter Stockham encouraged Vox to produce 12 copies of the prototype and present it at the 1980 Frankfurt Book Fair .