Thunder Under the Badlands

One hundred million years ago, a vast waterway called the Western Interior Seaway split North America in two. Geologists assume that the seaway drained off the North American continent as tectonic plates converged-but what if the water went underground instead? What if there's a vast ocean beneath our feet, teeming with ancient creatures we thought had perished long ago?

The first book in the Thunderstruck series, Thunder under the Badlands explores this possibility with a thrilling story of...