Soldier boy

This book is about 2 kids and one of the kids name is Dieters and he is 15 year old and he starts in the hitler youth and later in the book he tries so hard to impress Hitler to promote him to the German army and he does.The author kids name is Spence and he is 16 years old and he droped out of school to begin training as a paratrooper and wants to prove to everyone he is somethimg.