A Most Improbable Journey

Walter Alvarez Author
Adam Verner Narrator
(2016)

T. rex and the Crater of Doom

Walter Alvarez Author
Carl Zimmer Author of introduction, etc.
(2013)

T. Rex and the Crater of Doom

Walter Alvarez Author
Joel Richards Narrator
(2020)

The Mountains of Saint Francis

Walter Alvarez Author
(2008)

A Most Improbable Journey

Walter Alvarez Author
(2016)