Until the End of the World (Until the End of the World, Book 1) Kindle Edition ($0.00)
https://www.amazon.com/Until-End-World-Book-ebook/dp/B00DX73ZPY/ref=sr_1_44?s=digital-text&ie=UTF8&qid=1490114809&sr=1-44&refinements=p_20%3AEnglish%2Cp_36%3A0-0
After Days: Affliction (The After Days Trilogy Book 1) Kindle Edition ($0.00)
https://www.amazon.com/After-Days-Affliction-Trilogy-Book-ebook/dp/B00KM0T8UG/ref=sr_1_45?s=digital-text&ie=UTF8&qid=1490114809&sr=1-45&refinements=p_20%3AEnglish%2Cp_36%3A0-0