From the website
"An increased focus on nonfiction is among the changes accompanying the new Common Core State Standards in English Language Arts. Some say that middle-grade students who can read and understand complex nonfiction texts will be better able to meet these standards and will be better prepared to meet the demands of college and careers.
"In Part I of this MiddleWeb SmartBrief special report, we examine the role nonfiction is playing in the transition to the common core as well as some of the reasoning behind the changes. "
Via Jim Lerman