John Dvorak, PhD, has studied volcanoes and earthquakes around the world for the United States Geological Survey, first at Mount St. Helens in 1980, then a series of assignments in Hawaii, Italy, Indonesia, Central America and Alaska. In addition to dozens of papers published in scientific journals, Dvorak has written cover stories for Scientific American, Astronomy and Physics Today.
Author Alerts
Get updates about John Dvorak and recommended reads from Simon & Schuster. Plus, get a FREE ebook when you sign up!
By clicking 'Sign me up' I confirm that I'd like to receive updates, special offers, including partner offers, and other information from Simon & Schuster Inc. and the Simon & Schuster family of companies. I understand I can change my preference through my account settings or unsubscribe directly from any marketing communications at any time. We will send you an email with instructions on how to redeem your free ebook, and associated terms.
Books by John Dvorak
.
Thank you for signing up, fellow book lover!
Tell us what you like and we'll recommend books you'll love.
