7 Books Found

Based on your description:

"A boy is able to see demons or demon like creatures. He becomes bald at some point in the story. One scene involves him shooting into the main cannon of a tank to destroy it. this was impressive because the barrel of the tank has a block to prevent such an action. He falls in love with a girl and a third character tells the two of them to "stop making doe…"

Long description shortened for display.