When they reached the gnarled, old apple tree something white lying in the compost pile caught David's eye. He came to a sudden stop and jumped off his bike. Picking up the small package, he dusted off the grass mulch and carefully unwrapped a wooden block with strange carvings on one side. The paper, however, was more than just wrapping. "Your father's favorite pastime and your favorite foods are the keys to this mystery. Signed, Das Alte und Langweilig,"...