It is a mystery and detective book. That decided him--patriotism was in the air and he was fully infected. One or two of the larger boys advanced with him, but halted at a safe distance, while the younger ones danced about and stuck their fingers in their ears, screaming. Bart got to the side of the cannon. It was silhouetted in the landscape on a slight slant towards the stately mansion and grounds of Colonel Harrington, in full view at all times of the magnate who had improved its surroundings.