The presentation of the Forty-Second Annual Irma S. and James H. Black Award for Excellence in Children's Literature and the Third Annual Cook Prize for Excellence in Presenting STEM Principles took place at Bank Street College on Thursday, May 22, 2014. Keynote speakers Jon Scieszka and Mac Barnett discuss their collaboration on Battle Bunny and accept the Irma Black Award on behalf of this year's winner Mo Willems.