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Unit7 TheChaser JohnHenryCollier 1AlanAusten,asnervousasakitten,wentupcertaindarkandcreakystairsintheneighborhoodofPellStreet,andpeeredaboutforalongtimeonthedimhallwaybeforehefoundthenamehewantedwrittenobscurelyononeofthedoors. 2Hepushedopenthisdoor,ashehadbeentoldtodo,andfoundhimselfinatinyroom,whichcontainednofurniturebutaplainkitchentable,arocking-chair,andanordinarychair.Ononeofthedirtybuff-colouredwallswereacoupleofshelves,containinginallperhapsadozenbottlesandjars. 3Anoldmansatintherocking-chair,readinganewspaper.Alan,withoutaword,handedhimthecardhehadbeengiven.“Sitdown,Mr.Austen,”saidtheoldmanverypolitely.“Iamgladtomakeyouracquaintance.” 4“Isittrue,”askedAlan,“thatyouhaveacertainmixturethathas…er…quiteextraordinaryeffects?” 5“Mydearsir,”repliedtheoldman,“mystockintradeisnotverylarge—Idon’tdealinlaxativesandteethingmixtures—butsuchasitis,itisvaried.IthinknothingIsellhaseffectswhichcouldbepreciselydescribedasordinary.” 6“Well,thefactis…”beganAlan. 7“Here,forexample,”interruptedtheoldman,reachingforabottlefromtheshelf.“Hereisaliquidascolourlessaswater,almosttasteless,quiteimperceptibleincoffee,wine,oranyotherbeverage.Itisalsoquiteimperceptibletoanyknownmethodofautopsy.” 8“Doyoumeanitisapoison?”criedAlan,verymuchhorrified. 9“Callitaglove-cleanerifyoulike,”saidtheoldmanindifferently.“Maybeitwillcleangloves.Ihavenevertried.Onemightcallitalife-cleaner.Livesneedcleaningsometimes.” 10“Iwantnothingofthatsort,”saidAlan. 11“Probablyitisjustaswell,”saidtheoldman.“Doyouknowthepriceofthis?Foroneteaspoonful,whichissufficient,Iaskfivethousanddollars.Neverless.Notapennyless.” 12“Ihopeallyourmixturesarenotasexpensive,”saidAlanapprehensively. 13“Ohdear,no,”saidtheoldman.“Itwouldbenogoodchargingthatsortofpriceforalovepotion,forexample.Youngpeoplewhoneedalovepotionveryseldomhavefivethousanddollars.Otherwisetheywouldnotneedalovepotion.” 14“Iamgladtohearthat,”saidAlan. 15“Ilookatitlikethis,”saidtheoldman.“Pleaseacustomerwithonearticle,andhewillcomebackwhenheneedsanother.Evenif