When the three Igiby siblings find a mysterious map, they embark on an adventure to discover family secrets about the father they never knew and a hidden treasure that many have long desired to find. Leeli, the youngest, can sing with a beauty that captivates dragons; Tink, the middle sibling, has the makings of a king; and Janner, the eldest, possesses a bravery that will protect them all. But the children’s curiosity get the entire Igiby family into trouble with the Fangs of Dang-frightening, scaly-skinned, lizard creatures that drip venom-who have ruled the land of Scree since the Great War. Soon, the Igibys are scrambling for their lives.