Hi Danyelle 🙂
I got my copy from Ebay but it looks like Pam Poole isn't selling it there at the moment :-(. However …
Try :
http://www.inspiracy.com/alisha/fanclub/vaults.html
(if that doesn't come up as a link – search Google for "alisha's attic vault" – no1 result)
That site looks a bit old though, so it might be worth giving the Contact Us email a try before sending the £15/£16 to the postal address …