This came up in a search on "paleo" in publication date sort. This
book is free only today.
Tasty Paleo Smoothie Recipes: 21 delicious, healthy and easy to
prepare smoothies. Suitable for special diets including Paleo,
gluten-free and dairy-free (Tasty Paleo Recipes) by Elisabeth Peters
http://www.amazon.com/dp/B008DYK65O