These are first-time free paleo books:
17 Holiday Recipes for the Paleo, Primal, and Gluten-Free Inclined
(17Recipes.com Series of eBooks) by Allison Abdelnour and John Abdelnour
http://www.amazon.com/dp/B00A9QPLHC
17 Indispensable Salad Recipes for the Paleo, Primal and Gluten-Free
Inclined (17Recipes.com Series of eBooks) by Allison Abdelnour and
John Abdelnour
http://www.amazon.com/dp/B00A9R5FEU
The 12 Essential Low Carb Cooking Skills: Plus, 49 Simple,
Scrumptious Low Carb Diet Recipes by Alan Kosloff
http://www.amazon.com/dp/B009X13EUU
These were also free in the past:
50 Ways To Change The Way You Think About Healthy Eating - 50 Easy,
Healthy, And Delicious Recipes by Michele Cherry
http://www.amazon.com/dp/B0091G4AOQ
The Paleo Lunch For The Working Woman Easy And Delicious Paleo
Recipes Volume 1 by Jessica Andrew
http://www.amazon.com/dp/B00A46DS0Y