4.19: Lily ★ 

Assistant Children's buyer at London's Foyles Bookshop Jennifer Bell's debut IVY SPARROW, in which a girl and her brother find themselves in the a magical city beneath London where uncommon people trade in uncommon goods - and having to save their family from the evil Dirge before time runs out.

You’re not fooling anyone, Jennifer. I read that HP fanfic back in 2009.