America at the Threshold: Report of the Synthesis Group on Americas Space Exploration Initiative By Stafford, Thomas P. Books / Paperback Books ISBN: 0160317657 / Publisher: United States Government Printing, June 1991 Price Starting at $30.83 Free Shipping Send to a friend Add to Wishlist Below is a list of products arranged by condition. Select the quantity of the product you desire and click the "Add" button. Collectible - Very Good Collectible - Very Good. From the collection of American author, columnist, journalist, and presidential speechwriter William Safire. (astronautics, exploration of outer space) $30.83 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store. Reviews Goodreads reviews for America at the Threshold: Report of the Synthesis Group on Americas Space Exploration Initiative