The Audit Bureau of Circulation released its preliminary figures for magazine circulation in the first half of 2010 on Monday. As usual, the AARP magazine had the highest circulation by far. However, the overall news for the industry wasn't so good: total circulation fell by 2.3%.
Below, see the 20 magazines with the biggest circulation in the first half of the year. Don't forget to tell us which ones you're hooked on and which ones you've never even heard of.