FOR ANYONE CONFUSED ABOUT THE FIRST CHAPTER OF MY ONE AND ONLY MADNESS:
in the taxi scene I guess I should've made it more clear on how joker disguised himself. Usually taxi drivers wear hats and a coat. So the hat is covering his green hair and the coat is covering most of his pale skin. Plus she sat in the back so she couldn't really see his face.
In the book store scene, the reason why he in there is because he's looking specifically for her. So he follows her and she just happened to work in a book store and of course he follows her. That's literally the title "sightings and memories"
Hopefully this was helpful :)
My apologies for any confusion