The Rocket Ship Galileo reference article from the English Wikipedia on 24-Apr-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)
Rocket Ship Galileo is a science fictionnovel by Robert Heinlein in which boys build a rocket ship in their backyard and take it to the moon. Okay, they actually finish it out in the desert, and a grown-up helps them. But they find Nazis on the moon! It was published in 1947.