Secret soldiers

Explores the contributions made by the ". . . United States Twenty-Third Headquarters Special Troops, also known as the Ghost Army, which included actors, camouflage experts, sound engineers, painters, and set designers, who used their skills to secretly and systematiclly replace fighting units, fool the Nazi army into believing what their eyes and ears told them, even though the sights and sounds of tanks and war machines and troops were entirely fabricated"--Adapted fromdust jacket.