There are constests here and there, but here is one you may not wish to miss, especially if you write MG or YA.
Deborah Halverson is the author of the upcoming Writing Young Adult Fiction for Dummies (June 2011). She is the award-winning author of two teen novels, and has worn editing shoes for fifteen years. In celebration of her completed manuscript, she is giving away a free MG or YA critique. Your novel must be complete and must be under 80,000 words.