Alaska Dinosaurs, Mammoths, and More

KIRK R. JOHNSON is a paleobotanist and the Sant Director of the Smithsonian's National Museum of Natural History in Washington, D.C. He is the host of four recent PBS series, Making North America, The Great Yellowstone Thaw, Polar Extremes, and Ice Age Footprints. He has written ten books including Prehistoric Journey, Cruisin' The Fossil Freeway, and Digging Snowmastodon. RAY TROLL is an artist who has illustrated twelve books, including On an Ocean Journey, Sharkabet, Cruisin' the Fossil Freeway, Rapture of the Deep, and Planet Ocean: Dancing to the Fossil Record.  He’s had many major museum exhibits over the years, and is honored to have a species of ratfish, Hydrolagus trolli, and a genus of extinct herring, Trollichthys, named after him. He and his wife, Michelle, live and work in Alaska, and own and operate the Prairie Sea Gallery in Lindsborg, Kansas.