US MILTARY HISTORY - ADULT ACTIVITY BOOK - This book covers primarily of WWII with a smattering of history from other time periods. This Activity Book would be great as a Military History Lovers Gifts. Great for those who enjoy the Military History of the US. Test your knowledge of 'The American Revolution', 'The American Civil War', 'WWI', (WW1, World War 1), 'WWII' (WW2, World War 2), 'Korea', and 'Afghanistan'. Puzzles cover people, battles, weapons, aircraft, ships and interesting facts. Puzzles include crosswords, word searches, mazes, cryptograms, fill-in-the-blanks and matching exercises. Are these puzzles hard? Not at all, if you know the answers; but if you are not a true Military History buff, you may find the answer sheets useful. There are also pages of Trivia for many of the subjects which will be sure to provide added enjoyment.