Grandpa's hobby was making birdhouses. He always said, “A man has to keep busy to stay out of trouble.” Leigh wasn't sure how much trouble Grandpa could get into anyway, since he was such a nice guy, but she tried to listen to his advice. Besides, she liked to help him on his birdhouses. Grandpa's shop was full of welloiled and carefullykept tools. Whenever he used something, he put it back in exactly the right place. He had rules about how he treated his tools, because he hated buying something new if the old one still worked. He also made sure to clean up each time he worke