Harper Prism
Harper Prism ( 1993–1999 ) was launched by John Silbersack , Publishing Director , in 1993 as the first science fiction and fantasy imprint of HarperCollins Publishers in the United States . 
<triplet> Harper Prism <subj> imprint <obj> instance of <subj> HarperCollins <obj> parent organization <triplet> HarperCollins <subj> United States <obj> country