Sorry I haven't dropped in on this thread in a few days! I've picked up the first Belgariad book and Shadowmarch, as the book fair I was at didn't have The Dragonbone Chair. I've also got a free voucher to use for some books, so I think I might download the first Dark is Rising book too. I'm looking into maybe picking up a used copy of one of the McKillip books recommended. I'll probably have a flick through all of them before recommending them to my mum as I tend to know what she'll like and what will put her off, plus I quite fancy the sound of some of them myself (I like [high] fantasy but am not terribly well versed in it - I've read some Tolkien, some Robin Hobb, the Malazan Book of the Fallen, and that's about it). A couple of the other recommendations sounded like they might suit me too, even if they're a bit "dark" for my mum!
Thanks so much for all your help