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Unit7TheChaserJohnHenryCollier1AlanAusten,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“Ihopeal