She 'd brought it from home and had forgotten about it till this noon , when she 'd been looking for her flash drive but found the book in her suitcase instead . A knock at her door jolts her out of the headspace of the book -- she tends to shut out the rest of the world while reading . She does n't have to wonder long who it is ; Christian calls through the door .
Immediately her heart begins to pound .
Emotion: Joy