<BR><I>I want a pony.</I></DIV><I><DIV><BR>I want a pony more than anything in the world.</I> <BR><BR>A little girl who longs for a pony draws pictures of a dappled mare she names Silver, then rides her through&nbsp;a magical countryside in her dreams.&nbsp; At the heart of Susan Jeffers's exquisite picture book lies the idea that in her imagination, a child can journey anywhere and do anything-- even fly through the stars&nbsp;on her&nbsp;very own pony...