OK so we’ve both read Harry Potter now. So we can emerge from the undergrowth safe in the knowlage that we know what happens and no one can spoil it for us. Although there is still at least one thing the book doesn’t tell you*
* it turns out theres a huge list of things people wanted it to tell them, you will have to read it to see which ones it doesn’t
[update] if you have finished the book – here are some loose ends tied up