There is one first-time-free paleo book:
This has the same author and title as yesterday's, but it has a
different cover and ASIN. And the recipes inside are different.
Though all of them are heavily loaded with sweeteners and I won't
make any of them.
Piece of Cake Paleo - Effortles Paleo Cookie Recipes by Jack Roberts
http://www.amazon.com/dp/B00BV9ECNK
There are also a few others that were also free in the past. See:
http://www.amazon.com/s/rh=n:283155,k:paleo,p_n_feature_browse-bin:618073011&sort=price