

Taken near the entrance of Hawai`i Volcanoes National Park (which is now closed) on May 15, 2018, at 11:28 am.
MORTON GNEISS
Morton, Minnesota
Oldest Rock in the United States — 3.524 billion years old
MORTON GNEISS
Morton, Minnesota
Oldest Rock in the United States — 3.524 billion years old
Kilauea Volcano
10 Questions About the Earth—
and the Geology of North America.
Science — History — Biography
A GEOLOGIC FIELD TRIP ACROSS NORTH AMERICA
HOW THE MOUNTAINS GREW
A New Geological History
of North America
Available August 2021
Hardcover, 444 pages

MASK of the SUN
The Science, History
and Forgotten Lore of Eclipses
. . . expansive look at how eclipses have been mythologized throughout history . . . engaging . . .
—The New York Times
. . . fascinating . . .
—Times Literary Supplement (London)

Hardcover, 272 pages

Audiobook, 9 hours

Paperback, 272 pages
ECLIPSES — THE SCIENCE, HISTORY AND LORE
. . . unarguably the best, the most comprehensive and compellingly readable book about the great fault . . .
—Simon Winchester, author of Pacific
EARTHQUAKE STORMS
The Fascinating History and
Volatile Future of the
San Andreas Fault
EARTHQUAKES — SAN ANDREAS FAULT
Hardcover and Paperback, 254 pages
Audiobook, 7 CDs 9 hours


EARLY SCIENCE OF VOLCANOES — THOMAS JAGGAR
THE LAST VOLCANO
A Man, A Romance and
the Quest to Understand
Nature's Most Magnificent Fury
. . . an inspiring tale of devotion . . .
—Scientific American
. . . engaging, informative book . . .
—Christian Science Monitor
Hardcover and Paperback, 309 pages
Audiobook, 9 CDs 10.5 hours

