The UMUC Library has a post about the best books of 2011. The post is from last December, but I doubt we've read them all. Looks like some great titles.
My favorite book of 2011 is David Levy's Gray Matter. It's a combination of light, quick reading balanced with drama and insightful observations that let the reader reflect on the author's message hours and days after reading.
The lists UMUC compiled include: