Book 1

Origins

by Christopher Tadgell

Published 1 April 1998

Book 2


Book 3

Imperial Form

by Christopher Tadgell

Published 1 May 1998

Book 4

Imperial Space

by Christopher Tadgell

Published 1 May 1998

Book 5


Book 6

Four Caliphates

by Christopher Tadgell

Published 1 December 1998

Book 7

Four Empires of Islam

by Christopher Tadgell

Published 1 December 1998

Book 8

China

by Christopher Tadgell

Published 1 December 1998

Book 9

Japan

by Christopher Tadgell

Published 1 October 1999

Book 10


Book 11


Book 12

Secular Gothic

by Christopher Tadgell

Published 10 April 2001

Book 12


Book 13