Kids' Right to Read Project staff says that in November alone, the group investigated three times more incidents than usual.
James McBride won the National Book Award for fiction for his novel set during the Civil War, while George Packer picked up the non-fiction award for his examination of contemporary America.
Don DeLillo, who has been called 'chief shaman of the paranoid school of American fiction,' is the author of works that include 'White Noise' and 'Underworld.'
The most-challenged book series of 2012 was the 'Captain Underpants' books by Dav Pilkey. Former list-toppers 'ttyl' and 'The Hunger Games' are missing from the list entirely.
A petition titled The Urgency of Reading states that reading and writing are 'essential to healing and reconstruction' after disasters, and the document has been signed by more than 100 writers, literary groups and others.
Pearson, the owner of Penguin, and Bertelsmann, Random House's parent company, are currently in discussions to merge the two companies.