<p>Everything changed the day Ruby found her farm animals sitting quietly in a circle holding hands ... um ... hooves and paws.</p><p>But then things got weirder. Ruby started conversations with her cat. Then she announced she would save her farm from the mining company.</p><p>When asked about the field of Hum she said 'You don't do anything with it. You just notice it. Then things change.'</p><p>'...the perfect book for reading to my children'</p>