9 , ▁ 2 0 0 7 . ▁The ▁re - release ▁was ▁bil led ▁as ▁having ▁digit ally ▁rem aster ed ▁picture ▁and ▁sound , ▁and ▁a ▁two - part ▁document ary : ▁" They ▁Are ▁Here : ▁The ▁Real ▁World ▁of ▁Pol ter ge ists ", ▁which ▁makes ▁extensive ▁use ▁of ▁cli ps ▁from ▁the ▁film . ▁The ▁rem aster ed ▁DVD ▁of ▁the ▁film ▁was ▁released ▁as ▁scheduled , ▁but ▁both ▁high - definition ▁releases ▁were ▁eventually ▁can ce led . ▁Warner ▁res ch eduled ▁the ▁high - definition ▁version ▁of ▁the ▁film ▁and ▁eventually ▁released ▁it ▁only ▁on ▁the ▁Bl u - ray ▁format ▁on ▁October ▁ 1 4 , ▁ 2 0 0 8 . ▁ ▁Nov el ization ▁A ▁novel ization ▁was ▁written ▁by ▁James ▁K ahn , ▁adapted ▁from ▁the ▁film ' s ▁original ▁screen play . ▁The ▁copy right ▁is ▁ 1 9 8 2 ▁by ▁Amb lin ' ▁Enter pr ises , ▁Inc . ▁It ▁was ▁printed ▁in ▁the ▁United ▁States ▁through ▁Warner ▁Books , ▁with ▁the ▁first ▁printing ▁in ▁May ▁ 1 9 8 2 . ▁While ▁the ▁film ▁focus es ▁mainly ▁on ▁the ▁Fre eling ▁family , ▁much ▁of ▁the ▁book ▁le ans ▁toward ▁the ▁relationship ▁between ▁Tang ina ▁and ▁Dr . ▁Les h ▁away ▁from ▁the ▁family . ▁The ▁novel ▁also ▁exp ands ▁upon ▁many ▁scenes ▁that ▁took ▁place ▁in ▁the ▁film , ▁such ▁as ▁the ▁Fre el ings ' ▁living ▁room ▁being ▁visited ▁by ▁night ▁by ▁outer - dimensional ▁entities