Discover America State by State Series http://www.gale.cengage.com/DiscoverAmerica/guides/index.htm.
All 50 states plus Washington, D.C. are available to download in pdf. Download them soon before their gone from their website. Extensive Students Activities are available for all of the Discover America series. They are wonderful resources for the classroom as well as for library, school and home! Example: M is for Mitten: The Michigan Alphabet.