- Questions From The Past: Ancient Questions That Still Refuse to Settle
- The Unfinished Sites: Ancient Places That Don’t Fully Make Sense (Questions From The Past)
- The Stones of the High Plateau: What Mainstream Archaeology Has Settled at Puma Punku — and the Questions That Still Remain (The Impossible Past)
- The Temple Before Time: Göbekli Tepe, the Vanished Civilization That Built the World's First Temple, and the Discovery That Rewrites Human History (The Impossible Past)
- The Lines That Speak to the Sky: Nazca, the Vanished Civilization That Drew Figures Meant to Be Seen from the Air, and the Mystery Mainstream Archaeology Still Cannot Explain (The Impossible Past)





