W as , ▁are ▁contemporary ▁fant as ies ▁with ▁elements ▁of ▁time ▁travel . ▁The ▁series ▁follows ▁a ▁young ▁girl , ▁The od ora ▁O gle th or pe , ▁as ▁she ▁disco vers ▁a ▁world ▁of ▁w izard ry ▁and ▁magic . ▁While ▁Down er ' s ▁books ▁are ▁frequently ▁compared ▁to ▁the ▁work ▁of ▁Pat ric ia ▁A . ▁McK ill ip ▁and ▁D iana ▁W yn ne ▁Jones , ▁she ▁has ▁c ited ▁the ▁influence ▁of ▁Urs ula ▁K . ▁Le ▁Gu in ' s ▁Earth se a ▁books ▁and ▁the ▁Chron icles ▁of ▁P ry d ain ▁by ▁Lloyd ▁Alexander ▁in ▁sh aping ▁her ▁out look ▁and ▁pro se ▁style . ▁ ▁She ▁was ▁diagn osed ▁with ▁A LS ▁in ▁ 2 0 1 4 ▁and ▁died ▁on ▁ 1 9 ▁November ▁ 2 0 1 5 ▁in ▁Boston , ▁MA . ▁ ▁Bibli ography ▁ ▁Sp ell key ▁series ▁The ▁Sp ell key ▁( 1 9 8 7 ), ▁jack et ▁by ▁Cal dec ott - med al ▁winner ▁David ▁Wies ner , ▁also ▁a ▁UK ▁paper back ▁edition ▁from ▁Fut ura / Mac mill an . ▁The ▁G lass ▁Sal am ander ▁( 1 9 8 9 ), ▁jack et ▁by ▁Cal dec ott - med al ▁winner ▁David ▁Wies ner ▁The ▁Books ▁of ▁the ▁Keep ers ▁( 1 9 9 3 ) ▁ ▁All ▁three ▁books ▁were ▁collected ▁into ▁a ▁paper back ▁om n ibus ▁edition , ▁The ▁Sp ell key ▁Tr il ogy , ▁published