There is one first-time-free paleo book: Paleolithic diet: How to lose weight, burn fat, and build muscle by Michael Thomas and Tammy Wiegland http://www.amazon.com/dp/B00CJV6OAI There are also some 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