Snape's potions book (was Re: Who needs Harry?)

[susanfullin]

No: HPFGUIDX 182334

> Carol wrote:
> > Carol, wishing that the HBP's Potions book could have
> > been saved and his notes published posthumously, with
> > Snape getting full credit for his brilliant discoveries
> > and inventions (minus Sectumsempra!)
>
> Laura <lwalsh at ...> wrote:
> This is one of my regrets, too.  The Potions book needs
> massive re-writing and Snape should have gotten credit
> for his ingenious modifications to the accepted potions
> recipes.

Snip

SusanFullin asks:

How come Snape's book was left in school? In HBP Harry
gets it. I should think Snape, knowing how much he added
and worked on it, would have taken it away. Is there
something in canon that says textbooks must be kept at
Hogwarts??? Thanks!

Susan