Missing character - OOP

[veiledmyst]

No: HPFGUIDX 101122

Kirstini:

 the missing Evil Temptress you highlighted would fit in rather 
> nicely with the publisher's promise that "there will be a new DADA 
> teacher (female) with a personality like poisoned honey". I 
suppose 
> you could call it a pet theory of mine because unlike everyone 
else 
> on the list, I don't think this is going to be Arabella Figg.
> 

I thought this was said about book 5 and ended up being DJU, with 
her sweet, girlish voice and words that veiled her acid thoughts and 
personality.  Was this in fact a quote for an upcoming book?  

veiledmyst, who is very confused.