Floating serenely in space, a huge round tree known as The Rhondra, is home to millions of odd creatures, among these are the ‘Griniods’ a race of boring old tree creatures, who REALLY don’t like exploring. Apart that is from one very young budling called Sprout. He ignores the danger… and escapes his forest glade, beginning his own mini adventure, across a huge alien world full of wonder… and peril!