Both boys knelt beside the hole and examined the thing they were trying to dig out. It looked like a huge grey egg about fourteen inches long and certainly a couple feet around it's fattest part. "What do you think it is?" Bickie said as he tapped it with the axe handle. The boys took the stone to their room to investigate it further, not knowing what they had found. "I showed Red-Hog the stone you boys dug up and he says it is a thunder egg. He lifted it and he says it is so heavy it must have a big core of agate inside, " said Mother. Scattered throughout the California deserts, hundreds of...