Here are the Nutmeg Teen Winners for the past few years. I just read "Life as We Knew It" in a single night--and then ran to the library for the second and third book in the series.
2011 - Unwind by Neal Shusterman
2010 - Life As We Knew It by Susan Beth Pfeffer
2009 - Elsewhere by Gabrielle Zevin
2008 - The Lightning Thief by Rick Riordan
2007 - Vampire High by Douglas Rees
2006 - Hoot by Carl Hiaasen