answer: Charlie is reading a biography about Bob Dylan and will give it to Bob when he finishes reading.
documents: #Person1#: hi, Charlie! What are you reading?
  #Person2#: hi, bob. I'm reading a biography?
  #Person1#: who's it about?
  #Person2#: it's about bob Dylan.
  #Person1#: who is he?
  #Person2#: he's a famous American musician.
  #Person1#: who's the author?
  #Person2#: it was written by Howard sounds.
  #Person1#: what do you think about it?
  #Person2#: it's great! I'Ve learned a lot form reading it.
  #Person1#: can I read it when you're done?
  #Person2#: sure, bob! I'm on chapter 12 now, so I'm almost finished.
  #Person1#: how many chapters does the book have?
  #Person2#: there are 15 chapters in total.
  #Person1#: when do you think you'll have finished reading it?
  #Person2#: I should be done by Friday. I'll give it to you in class then.
  #Person1#: thanks. Charlie!
  #Person2#: no problem. Bob.