Some brief (if fun) anti-review material by a one "Ralph E. Luker" who doesn't like Schweikart: http://hnn.us/blogs/entries/5407.html
http://www.google.com/search?q=luker+schweikart+war takes us to http://www.historynewsnetwork.com/articles/1401.html - a fickle dialog on President Bush's impact on the muslim world beginning with a similarly named Schweikart essay.
Schweikart starts off with an intriguing reference to the "World Island."
Mackinder is a curious character: http://www.bartleby.com/73/2041.html
Yah, ol' Ralphie is a closet (?) socialist.
"Fickle?" Is that you Ralph?