I WANT A PONY. I WANT A PONY MORE THAN ANYTHING IN THE WORLD. A LITTLE GIRL WHO LONGS FOR A PONY DRAWS PICTURES OF A DAPPLED MARE SHE NAMES SILVER, THEN RIDES HER THROUGH A MAGICAL COUNTRYSIDE IN HER DREAMS. AT THE HEART OF SUSAN JEFFERS'S EXQUISITE PICTURE BOOK LIES THE...