▁is ▁indeed ▁inf ected ▁in ▁the ▁end . ▁ ▁Nov els ▁ ▁K urs aal ▁In ▁the ▁E ighth ▁Doctor ▁Advent ures ▁novel ▁K urs aal ▁by ▁Peter ▁Ang hel ides , ▁the ▁E ighth ▁Doctor ▁and ▁Sam ▁travel ▁to ▁Sat urn ia ▁Regin a , ▁which ▁is ▁about ▁to ▁be ▁turned ▁into ▁a ▁theme ▁park ▁planet ▁and ▁renamed ▁K urs aal . ▁However , ▁beneath ▁the ▁proposed ▁attra ctions ▁are ▁the ▁homes ▁of ▁the ▁J ax , ▁a ▁w olf - like ▁species ▁thought ▁ext inct . ▁When ▁the ▁arch ae ological ▁teams ▁investig ating ▁the ▁J ax ▁ru ins ▁are ▁killed ▁by ▁a ▁w olf - sh aped ▁creature , ▁the ▁Doctor ▁and ▁Sam ▁investigate , ▁discover ing ▁that ▁the ▁vict ims ▁transformed ▁into ▁wol ves ▁when ▁triggered ▁by ▁moon light . ▁The ▁dead ▁become ▁mind less ▁d ron es , ▁while ▁those ▁inf ected ▁but ▁still ▁living ▁retain ▁their ▁sens es , ▁there after ▁working ▁to ▁further ▁the ▁ag enda ▁of ▁the ▁J ax . ▁ ▁It ▁is ▁revealed ▁that ▁the ▁J ax ▁are ▁not ▁the ▁wol ves , ▁but ▁the ▁virus ▁that ▁causes ▁the ▁transformation ▁itself , ▁controlled ▁by ▁ancient ▁J ax ▁technology ▁contained ▁within ▁their ▁c athedral . ▁Sam ▁is ▁inf ected , ▁but ▁the ▁Doctor ▁man ages ▁to ▁destroy ▁the ▁J ax ▁technology ▁and ▁she ▁is ▁returned ▁to ▁normal ▁with ▁no ▁ill ▁effects . ▁ ▁Wolf sb ane ▁In ▁the ▁Past ▁Doctor ▁Advent ures ▁novel ▁Wolf sb ane ▁by ▁Jac qu eline ▁Ray ner , ▁it ▁is