About Ian Mortimer Ian James Forrester Mortimer, FSA, FRHistS is a British historian and writer of historical fiction. He is best known for his book The Time Traveller's Guide to Medieval England, which became a Sunday Times bestseller in paperback in 2010. Books by Ian Mortimer Millennium From Religion to Revolution: How Civilization Has Changed Over a Thousand Years by (author) Ian Mortimer read by John Lee