Not sure why this wasn't there this morning. Apparently they don't 
all appear at the same time, and if I check too early I miss some.

Tasty Paleo Salad Recipes: 21 delicious, healthy and easy to prepare 
salads. Suitable for special diets including Paleo, gluten-free, 
dairy-free, low carb by Elisabeth Peters
http://www.amazon.com/dp/B0083IKTES

This isn't a paleo book, but may interest some:

Gluten Free Lifestyle: A Health Guide, Shopping & Home Tips, 66 Easy 
Recipes by John Chatham
http://www.amazon.com/dp/B0069XF8X6/

John Chatham pays for reviews. Sometimes egregiously. Looking through 
the book it appears that he has actually written it. I suspect it was 
sourced from multiple places on the web, but then he did write it.