The Practical Geologist: The Introductory Guide to the Basics of Geology and to Collecting and Identifying Rocks, Paperback/Dougal Dixon

Triceratops. Prehistoric Beasts Uncovered - The Dinosaur Built to Do Battle, Paperback/Dougal Dixon

Megaladon. Prehistoric Beasts Uncovered - The Largest Shark That Ever Lived, Paperback/Dougal Dixon

Time Machine 7: Ice Age Explorer, Paperback/Dougal Dixon

Silent Spring Revolution: John F. Kennedy, Rachel Carson, Lyndon Johnson, Richard Nixon, and the Great Environmental Awakening - Douglas Brinkley

The Nixon Effect: How Richard Nixona\'s Presidency Fundamentally Changed American Politics, Hardcover/Douglas E. Schoen

The Practical Geologist: The Introductory Guide to the Basics of Geology and to Collecting and Identifying Rocks - Dougal Dixon

Tyrannosaurus rex. A Pop-Up Guide to Anatomy, Hardback/Dougal Dixon

The Nixon Tapes: 1973, Paperback/Douglas Brinkley

Tyrannosaurus rex | Dougal Dixon

In Search Of Dinosaurs. Find the Fossils: Identify the Dinosaurs, Hardback/Dougal Dixon

Where\'s the Dinosaur? | Dougal Dixon, James Cottell

Children\'s Encyclopedia of Prehistoric Life - Dougal Dixon

When the Whales Walked: And Other Incredible Evolutionary Journeys - Dougal Dixon