I am enquiring on behalf of Purple Fan who has recently lost everything on her computer, due to a virus. If anyone has a favourite online bookstore , especially those dealing in mystery books, she would be grateful for the addresses. Thanks a lot .

www.amazon.com and www.barnesandnoble.com of course. Canada's answer to amazon.com is www.chapters.ca
If Purple Fan lives in the US she will get a lot more bang for her buck at the Canadian store, with the exchange rate the way it is!