Jacqueline Wilson - Dustbin Baby?

Question

in the book dustbin baby, at the beginning it has a small passage in Italic writing where April sees someone through the window and they say to her Happy Birthday. What is this passage about? Is it for readers to imagine who it might be?

Answer 1

Yeah

Answer 2

Yes =D

But you would find out who it was at the end of the book xD

Or you can guess, since there are many clues..  

Answer 3

i've looked for this story in places like asda and Woolworth's but nothing please help me