- volume ▁print ▁set , ▁the ▁Encyclopedia ▁Amer icana ▁is ▁now ▁market ed ▁as ▁an ▁online ▁en cyc lopedia ▁requiring ▁a ▁subscription . ▁In ▁March ▁ 2 0 0 8 , ▁Sch ol astic ▁said ▁that ▁print ▁sales ▁remained ▁good ▁but ▁that ▁the ▁company ▁was ▁still ▁dec iding ▁on ▁the ▁future ▁of ▁the ▁print ▁edition . ▁The ▁company ▁did ▁not ▁produce ▁an ▁edition ▁in ▁ 2 0 0 7 , ▁a ▁change ▁from ▁its ▁previous ▁approach ▁of ▁re le asing ▁a ▁re vised ▁print ▁edition ▁each ▁year . ▁The ▁most ▁recent ▁print ▁edition ▁of ▁the ▁Encyclopedia ▁Amer icana ▁was ▁published ▁in ▁ 2 0 0 6 . ▁ ▁The ▁online ▁version ▁of ▁the ▁Encyclopedia ▁Amer icana , ▁first ▁introduced ▁in ▁ 1 9 9 7 , ▁continues ▁to ▁be ▁updated ▁and ▁sold . ▁This ▁work , ▁like ▁the ▁print ▁set ▁from ▁which ▁it ▁is ▁derived , ▁is ▁designed ▁for ▁high ▁school ▁and ▁first - year ▁college ▁students ▁along ▁with ▁public ▁library ▁users . ▁It ▁is ▁available ▁to ▁libraries ▁as ▁one ▁of ▁the ▁options ▁in ▁the ▁Gro lier ▁Online ▁reference ▁service , ▁which ▁also ▁includes ▁the ▁Gro lier ▁Mult imedia ▁Encyclopedia , ▁intended ▁for ▁middle ▁and ▁high ▁school ▁students , ▁and ▁The ▁New ▁Book ▁of ▁Know ledge , ▁an ▁en cyc lopedia ▁for ▁elementary ▁and ▁middle ▁school ▁students . ▁Gro lier ▁Online ▁is ▁not ▁available ▁to ▁individual ▁subscri bers . ▁ ▁History ▁and ▁prede cess ors ▁▁ ▁There ▁have ▁been ▁three ▁separate ▁works ▁using ▁the ▁title ▁Encyclopedia ▁Amer icana . ▁ ▁The ▁first ▁began