In 1793, a canal digger named William Smith made a startling discovery. He found that by tracing the placement of fossils, which he uncovered in his excavations, one could follow layers of rocks as they dipped and rose and fell-clear across England and, indeed, clear across the world-making it possible, for the first time ever, to draw a chart of the hidden underside of the earth. Smith spent twenty-two years piecing together the fragments of this...

As the daughter of an alchemist, Petra Dee has battled supernatural horrors and experienced astonishing wonders. But there's no magic on earth that can defeat her recent cancer diagnosis, or help find her missing husband, Gabriel. Still, she would bet all her remaining days that the answer to his disappearance lies in the dark subterranean world beneath the Rutherford Ranch on the outskirts of Temperance, Wyoming. Gabe is being held prisoner by the...

An American geologist flies to Antarctica to participate in a project at the United States Research Base. Once there, he teams up with arctic guide Jerry Shepard and his best friend, Cooper. The scientist soon discovers that Shepard also has eight other valuable friends, a pack of sled dogs he's worked with for years who have rescued him from a number of tight spots. As the three men explore a frozen mountain region, an unexpected accident coupled...

The New Madrid Seismic Zone is 140 miles, stretching across five states. In 1811 and 1812 enormous earthquakes erupted along this zone, effecting 24 states, creating lakes in Tennessee and causing the Mississippi River to run backward. In Peter Hernon's 8.4, the New Madrid awakens, threatening the country with systematic collapse in a chillingly plausible case of history repeating itself. It's up to a team of scientists to stop the impending destruction,...

"Dear Albert, Nicola was right." The opening lines of a letter lost long ago is the answer to a question no one ever thought to ask, a question that could well reshape the future of the United States as a world power.

The Pint-Sized Secret: "Geologist Brianna O'Ryan was beautiful, intelligent...and possibly a corporate spy! Yet the more Jeb Delacourt investigated what the single mom had tried to keep hidden, the more he felt her secret was not professional, but personal...and the faster she made his pulse race. Soon, stolen kisses and midnight embraces had Brianna wondering if it was time to risk everything for love..." -- Page [4] cover. Marrying a Delacourt:...

An American geologist flies to Antarctica to participate in a project at the United States Research Base. Once there, he teams up with arctic guide Jerry Shepard and his best friend, Cooper. The scientist soon discovers that Shepard also has eight other valuable friends -- a pack of sled dogs he's worked with for years, who have rescued him from a number of tight spots. As the three men explore a frozen mountain region, an unexpected accident coupled...