Umbhali weHarry Potter wabhala incwadi ye-adventure ye-adventure ebizwa ngokuba yi "i-chiggy" (i-christmas gig), kwaye i-christmastic), kwaye i-christmastic), kwaye i-christmastic), kwaye i-christmastic yenkampani iqinisekisile ukuba imveliso entsha yombhali waseBritane iya kupapashwa kwaye ivele kwi-ORKTA 12.
UJoan Rowling uqala okwenziwe yincwadi yabantwana. Ngeli xesha uye weza ibali malunga nenkwenkwe egama linguJack kunye neTrasti yakhe yanyamalala. Kodwa, njengoko usazi, iKrisimesi uEva lixesha lemimangaliso, kwaye i-risy ye-tig ye-risy pig ihamba ebomini, iza nesicwangciso esibi sokufumana umhlobo wenkwenkwe elahlekileyo, kwaye baya kunye kuhambo lomlingo.
Ngokuka-Ellie Berger, iintloko zeencwadi zorhwebo ze-Scholasti, incwadi eyenzelwe abantwana ngaphezulu kweminyaka esibhozo inokuba yinxalenye yezithethe zeKrisimesi kwiintsapho ezininzi. Kwaye ukufundwa kwabazali kunye nabantwana bembali ngothando olungapheliyo kuya kudibanisa kwaye nangaliphi na ixesha lonyaka.
Iingcali "ze-christmas piggy" sele zibizwa ngokuba "yidayimane eqaqambileyo", ngokuqinisekileyo iya kuthi ifumane abafundi behlabathi liphela. Incwadi iya kutshintshelwa kwiilwimi ezingaphezu kwama-20 kwaye iya kukhutshwa kwi-Great Britain, iRussia, eOstreliya, eNew Zealand, iIndiya, eUnited States kunye namanye amazwe amaninzi.