Business Week誌の月間ベストセラーリスト（2009年4月号）です。
これらの多くはこれまでのベストセラーリストでご紹介していますので、そちらをご参照ください。
1 OUTLIERS by Malcolm Gladwell
2 GET MOTIVATED! by Tamara Lowe
3 THE THREE LAWS OF PERFORMANCE by Steve Zaffron, Dave Logan
4 THE GREAT DEPRESSION AHEAD by Harry S. Dent Jr.
5 THE RETURN OF DEPRESSION ECONOMICS by Paul Krugman
6 THE BIG RICH by Bryan Burrough
7 MELTDOWN by Thomas E. Woods Jr.
8 HOT, FLAT, AND CROWDED by Thomas L. Friedman
これはAmazonにレビューを載せていますので、そちらをご参照ください。
9 THE 4-HOUR WORKWEEK by Timothy Ferriss
10 THE SNOWBALL by Alice Schroeder
11 STRENGTHS BASED LEADERSHIP by Tom Rath, Barry Conchie
12 LORDS OF FINANCE by Liaquat Ahamed
13 WHAT WOULD GOOGLE DO by Jeff Jarvis
14 THE BLACK SWAN by Nassim Nicholas Taleb
15 TRIBES by Seth Godin