He has written 15 books including
Incredible Optical Illusions (Simon & Schuster 1998); ''The Traveller's Atlas
with John Man and Chris Schüler (1999); Hitler
and Churchill
(Hodder 2001); Philosophers Behaving Badly with Mel Thompson; Roman Architecture
(2006); Roman Empire
(2008); Understand Existentialism
with Mel Thompson (Hodder, 2010); Existentialism Made Easy
with Mel Thompson (Hodder, 2011); The Greek World
(2010); The Art and Architecture of Ancient Greece
(2012); Why Noise Matters
with Arline Bronzaft, Francis McManus, John Stewart and Val Weedon (Routledge 2011); The Dandy — Peacock or Enigma?
and The Umbrella Unfurled'' (2013). His latest books are
Manet: his Life and Work (2015)
The Bruegels (2016) and
The Colosseum, a guide book-cum-history about Rome's most famous monument, from its inauguration in AD80 to its recent triumphant restoration, published in May 2018. His books have been translated into fourteen languages. ==References==