'Davey Turner is a dreamy schoolboy with a wild imagination and a penchant for wandering off by himself. But even Davey could not have foreseen the amazing world upon which he stumbles on the day of the school nature outing when he is sidetracked into an alluring dell among the trees: a land of fabulous forests, meadows and waterfalls; elves, hobgoblins, eccentric wizards and all manner of bizarre talking beasts.
'But he is confronted by even deeper mysteries. Why can he not remember his own name? Why does he catch occasional glimpses of his parents and his early childhood? Why is it vital that he finds The Forbidden Jewel? And why must he do it before the supply of mushrooms in his bag has been eaten up?' (Author's website)