I bought Dana Carpender's 500 Low Carb Recipes.
It looks OK, but I'm pretty sure I won't be making that much from it, for some reason. Guess it depends on what you like to eat.

There is a downloadable one from a site (I'll have to look it up - don't have it marked off-hand).

I compiled one from a Yahoo Groups e-mail digest I get. It has about 150 pages.

I have been putting together a web site with collected recipes, although it needs to have additions to it, as soon as I find the time.

http://www3.telus.net/public/a7a74290

Atkins Site has lots of recipes for free to print or save in your "recipe file" electronically.

I don't know of very many other books, at present, that I've actually taken the time to look through.