Here are the results, according to my calculations. Correct me if I'm wrong.
June: This Side of Paradise, Scott hosting
July: How to Survive the End of the World as We Know it, Myles hosting
August: A Short History of Nearly Everything, Jordan Hosting
September: Undaunted Courage, Jon Hosting
October: East of Eden, Brandon Hosting
November: Mark Twain, A Life, Joe Hosting
Sorry, Doug, you gots to put up more nominations next time. Manly men are democratic. Like Robin Hood.
If anyone needs to switch dates or has other recommendations, speak up.