THE SECOND AND THIRD PARAGRAPH ON THE HOMEWORK

The Government Printing Office in Washington D.C. about which few people know is a source of very useful information.The GPO that is the official publishing house for the federal government publishes pamphlets and books on a vast number of subjects ranging from the dangers of X-rays resulting from TV sets to the identificiation of mushrooms.About 27,000 publications many of which are inexpensive are offered through the Superintedent of Documents.Moreover There is no charge for some of them at all.