The following site is operated by International Paper and they have FREE materials for Teachers and SCOUT leaders and others about forests and conservation and such. Posters and brochures for the Scouts. Check it out -
This unofficial site has scanned copies of many, many Pow Wow Books available for your use. It is maintained by a volunteer Scouter near St. Louis, MO. Now I now where I am going to send all those books in my basement.