As a child, Lou Marincovich PhD was inspired to become a paleontologist by a children’s book on fossils, and he hopes to pass along this lifelong inspiration through the pages of True North: Hunting Fossils Under the Midnight Sun. As a paleontologist he specializes in studying marine mollusks of the past 65 million years the North Pacific and Arctic oceans. During his career with the U.S. Geological Survey and the California Academy of Sciences, he has documented the changing climate of the Arctic as evidenced in the shifting migration of mollusk species between Asia and North America. He was the first to show that ancient lineages of mollusks considered extinct at the end-Mesozoic extinction some 65 million years ago continued to dwell for millions of years in the Arctic Ocean beside newly evolved Cenozoic species. And his fortuitous find of a fossil clam specimen in a museum collection led him to solve the mystery of Bering Strait’s age. Dr. Marincovich has authored more than 100 scientific articles and books. He is a Research Associate in Geology at the California Academy of Sciences in San Francisco, California.