▁were ▁too ▁low ▁for ▁sust ain ability ; ▁according ▁to ▁Mos kow itz ▁the ▁average ▁sales ▁were ▁ 1 8 , 0 0 0 ▁copies ▁per ▁issue , ▁well ▁short ▁of ▁the ▁ 2 3 , 0 0 0 ▁that ▁would ▁have ▁been ▁needed ▁for ▁the ▁magazine ▁to ▁surv ive . ▁ ▁The ▁fourth ▁issue , ▁dated ▁Summer ▁ 1 9 7 4 , ▁was ▁the ▁last , ▁as ▁Marg ul ies ▁closed ▁down ▁all ▁his ▁mag az ines ▁except ▁for ▁Mike ▁Sh ay ne ▁Myst ery ▁Magazine , ▁which ▁was ▁the ▁only ▁one ▁that ▁was ▁making ▁a ▁profit . ▁ ▁Mike ▁Ash ley , ▁a ▁science ▁fiction ▁magazine ▁historian , ▁records ▁that ▁Mos kow itz ▁was ▁unw illing ▁to ▁continue ▁in ▁any ▁case , ▁as ▁he ▁was ▁anno yed ▁by ▁Marg ul ies ' s ▁detailed ▁invol vement ▁in ▁the ▁day - to - day ▁editor ial ▁tasks ▁such ▁as ▁editing ▁manuscript s ▁and ▁writing ▁introdu ctions . ▁ ▁Marg ul ies ▁died ▁the ▁following ▁year , ▁and ▁his ▁wid ow , ▁C yl via ▁Marg ul ies , ▁decided ▁to ▁sell ▁the ▁rights ▁to ▁the ▁title . ▁ ▁For rest ▁A ck erman , ▁a ▁science ▁fiction ▁fan ▁and ▁editor , ▁was ▁one ▁of ▁the ▁interested ▁parties , ▁but ▁she ▁chose ▁instead ▁to ▁sell ▁to ▁Victor ▁Dr icks ▁and ▁Robert ▁Wein berg . ▁ ▁Wein berg ▁in ▁turn ▁lic ensed ▁the ▁title ▁to ▁Lin ▁Carter , ▁who ▁interested ▁a ▁publish er , ▁Z eb ra ▁Books , ▁in ▁the ▁project .