Disappointed in all the TV shows that purport to investigate monster sightings, ancient mysteries, and fringe science? Odd are good that De Camp has already covered your favorite topic, and can clarify for you what is known, what is unknowable, what is plausible, and what is pure hoax.
Part 1: Our ingenious forefathers. Mysterious technologies of the ancients.
Part 2: Beasts of now and then. Oddities and controversies in biology, cryptozoology, extinctions.
Part 3: Scientists, mad and otherwise. How to tell the eccentric from the insane, and how to distinguish real science from pseudoscience.
208 pages.