Before a snowflake melts on your tongue, it makes an epic journey. This is the beautiful, full-color story of that journey, step by step, from a single snowflake's creation in the clouds, through its fall to earth, to its brief and sparkling appearance on a child's mitten. Told by a scientist who knows snowflakes better than almost anyone, the story features his brilliant photographs of real snowflakes, snowflakes forming (in the author's lab), water...