"You can't keep me here forever", came a weak voice that seemed to come from far below the ground. Esty felt herself go cold. Was she imagining things? Where had the voice come from? She put her ear to the ground, trying to hear something more, but there was only the far distant sound of the highway traffic and the song of the birds above her.The Greenberg and Golding children find themselves in the centre of an action packed mystery. A Jewish Childrens...