Tolkien and the Great War: The Threshold of Middle-earth

Stonehenge - A New Understanding: Solving the Mysteries of the Greatest Stone Age Monument

How the Scots Invented the Modern World: The True Story of How Western Europe's Poorest Nation Created Our World and Everything in It: The True Story of ... Created Our World and Ever ything in It

J.R.R. Tolkien: A Biography

An Atlas of Countries that Don't Exist: A Compendium of Fifty Unrecognized and Largely Unnoticed States

The History of the Hobbit: Mr Baggins and Return to Bag-End

Mythology

The Phantom Atlas: The Greatest Myths, Lies and Blunders on Maps

A Splendid Exchange: How Trade Shaped the World