Mystery of the Old Knife

After Dr. Doug walked away, Toby said, "I see why they call him Dr. Doug. All he ever does is dig." Thonk! Gabe's spoon hit something hard. "Probably a rock," he said. Gabe took the brush. He started dusting. The thing that he hit was long and thin. It was yellow. He dug a little more. He dusted. There was one just like it next to it. Then there was another. And another. "It's a rib cage!" Ben shouted. Book jacket.Cosson, M. J. is the author of 'Mystery of the Old Knife', published 2001 under ISBN 9780780796997 and ISBN 0780796993.