From public forums sponsored by the National World War I Museum at Liberty memorial in Kansas City in 2007 and 2008.
War origins / Niall Ferguson, Paul Kennedy
Waging total war: learning curve or bleeding curve? / Holger Afflerbach, Gary Sheffield
The soldiers' war: coercion or consent? / John Horne, Len Smith
Ending the Great War: the peace that failed? / John Milton Cooper, Margaret MacMillan
The Great War: midwife to modern memory? / Jay Winter, Robert Wohl.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
The legacy of the Great War : ninety years on. ISBN 9780826218728. Published by University of Missouri Press in 2009. Publication and catalogue information, links to buy online and reader comments.
