Buy from our bookstore and 25% of the cover price will be given to a school of your choice to buy more books. *15% of eBooks.
Books By Walter Alvarez - Author
Walter Alvarez, professor of geology at the University of California, Berkeley, received the Penrose Medal, the top honor in geology, and is the best-selling author of T. Rex and the Crater of Doom. He lives in Berkeley, California.