Böcker
Ljudböcker
Abominable Science!: Origins of the Yeti, Nessie, and Other Famous Cryptids (Unabridged)
2021
UFOs, Chemtrails, and Aliens: What Science Says (Unabridged)
2019
Reality Check: How Science Deniers Threaten Our Future (Unabridged)
2014
Catastrophes!: Earthquakes, Tsunamis, Tornadoes, and Other Earth-Shattering Disasters (Unabridged)
2013
Rhinoceros Giants : The Paleobiology of Indricotheres(Life of the Past)
2022
After the Dinosaurs : The Age of Mammals(Life of the Past)
2023