Meet the Author: Mary Pope Osborne. Internet. http://www.barnesandnoble.com/writers/writerdetails.asp?cid=968075
Copyright ©2012, Mary Pope Osborne, all rights reserved. Illustrations; ©2012 Sal Murdocca. Copyright ©1995 - 2012 Random House, Inc. All rights reserved.Internet. http://mthclassroomadventures.org/
Mary Pope Osborne. Author of the Magic Tree House. 2011-2012. Internet. http://marypopeosborne.com/un-speech-2011/3/
Copyright ©2012, Mary Pope Osborne, all rights reserved. Illustrations; ©2012 Sal Murdocca. Copyright ©1995 - 2012 Random House, Inc. All rights reserved.Internet. http://mthclassroomadventures.org/
Mary Pope Osborne. Author of the Magic Tree House. 2011-2012. Internet. http://marypopeosborne.com/un-speech-2011/3/