Forty years ago, an amateur prehistorian discovered an engraved mastodon bone near Mexico City, showing a virtual bestiary from the Ice Age. Harvard University took notice and excavated nearby sites around the Valsequillo Reservoir. They found perfectly buried kill sites with the... read more
We’re hiding the errata, movie connections, books that influenced this book, books influenced by this book and books cited by this book sections. If you would like to add content to them, you must first make them visible.