When Sirin becomes the first child to "lock" with a dragon in centuries - forming a deep friendship unlike anything she's ever imagined - she learns that not all dragons have good intentions. And soon she finds herself at the centre of a terrifying battle...

When Sirin becomes the first child to "lock" with a dragon in centuries - forming a deep friendship unlike anything she's ever imagined - she learns that not all dragons have good intentions. And soon she finds herself at the centre of a terrifying battle...