Just a mention that these appear to be all the Amazon.com site so if you want them in the UK you have to searched them out on the Amazon.co.uk site to be able to download and have not checked them all so do not what is available on the UK. site
Checked some of them and not all are free, even at .com. Fewer still in the UK. Picked up a couple so far though so thanks...
i found this one a good resource ...try it !!
http://www.armageddononline.org/disaster-prep-help.html
Alterego