s ▁research ▁is ▁in ▁low - dimensional ▁topology ▁and ▁kn ot ▁theory . ▁ ▁Books ▁She ▁has ▁published ▁numerous ▁papers , ▁as ▁well ▁as ▁worked ▁on ▁four ▁books . ▁ ▁She ▁is ▁the ▁author ▁of ▁the ▁book ▁When ▁Top ology ▁Me ets ▁Chem istry : ▁A ▁Top ological ▁Look ▁at ▁M ole cular ▁Ch ir ality ▁( C amb ridge ▁University ▁Press ▁and ▁Mathemat ical ▁Association ▁of ▁America , ▁ 2 0 0 0 ). ▁▁ ▁In ▁ 2 0 0 9 , ▁F lap an ▁edited ▁the ▁book ▁App lications ▁of ▁K not ▁Theory ▁along ▁with ▁Dor othy ▁Buck . ▁ ▁With ▁James ▁P omm ers heim ▁and ▁Tim ▁Mark s ▁she ▁also ▁wrote ▁the ▁book ▁Number ▁Theory : ▁A ▁L ively ▁Introduction ▁with ▁Proof s , ▁App lications , ▁and ▁St ories ▁( John ▁W iley ▁& ▁S ons , ▁ 2 0 1 0 ). ▁In ▁December ▁ 2 0 1 5 , ▁she ▁published ▁a ▁" fun " ▁intro duct ory ▁topology ▁text book , ▁K not s , ▁M ole cules , ▁and ▁the ▁Un iverse : ▁An ▁Introduction ▁to ▁Top ology . ▁ ▁Rec ogn ition ▁In ▁ 2 0 1 1 , ▁F lap an ▁was ▁one ▁of ▁three ▁w inners ▁of ▁the ▁Deb or ah ▁and ▁Franklin ▁Te pper ▁Ha imo ▁Award ▁for ▁Dist ingu ished ▁College ▁or ▁University ▁Te aching ▁of ▁Mathemat ics , ▁from ▁the ▁Mathemat ical ▁Association ▁of ▁America . ▁In ▁ 2 0 1 2 ▁she ▁became ▁a ▁fellow ▁of ▁the