Sheena Meyer once believed babies cried at night because they were afraid of the dark. Now she knows that's not it at all. They cry because of the absence of light. Light brings life, hope, and adventure. Darkness offers nothing other than isolation and emptiness. We all want more light. But there are those who absorb the light. They never see darkness. It flees from them. They are the Gleam Keepers.Sheena had never heard of a Gleam Keeper and is...