In this sweet love letter a father tells his daughter he wishes he were a humble pebble. Then she could carry him in her pocket, reminding her for always how much he loves her.   “A stone can be beautiful.”  “A stone can live forever.”  “A stone can be used to skim over water, leaving round ripples on the surface.”  “A stone can come from your backyard, or from as far as outer space!”   “A stone can be BIG like a mountain, or small like a pebble.”   Through his imagination, h