[en] The Official DLAB Training Manual MilitaryBooks
[en] Ben (The 13 Book 4) www.Militarybookshop.Co.UK
[en] NASA Systems Engineering Handbook www.Militarybookshop.Co.UK
[en] The attack and defense of Little Round Top, Gettysburg, July 2, 1863 Stan Clark Military Books
[en] [Gutenberg 54613] • The Battle for Khe Sanh Military Bookshop