Kumiko doesn't like going to bed. She can't sleep, and the reason she can't sleep is because of the giant dragon that sits outside her bedroom window, every single night. So one night she plucks up the courage to ask the dragon to leave, not knowing that the truth she is about to discover is more thrilling than anything she could ever have imagined. This delightful story will take the young readers on a soaring dragon adventure, as Kumiko discovers a strength she never even knew she had.

Kumiko and the Dragon's secret continues the fantasy adventure of Kumiko, a young Japanese girl who is guarded by the dragon, Tomodo. Danger surrounds Kumiko's family. The sinister shadow catchers kidnap Kumiko's sister, Arisu, seeking to absorb the dragons' magical powers through the royal human bloodline of Kumiko's family. Kumiko is the only one who can defeat the shadow catchers. She alone has the power to rescue her little sister and to restore order to the magical world of the dragons. But can she get there in time?

Kumiko is used to having a dragon guarding her night and day, but what she doesn’t quite know is why she needs one … Since discovering the secret of the Shadow Catchers, a group of powerful sorcerers determined to steal magic at any cost, Kumiko knows it’s only a matter of time before her family’s link to dragons puts them all in grave danger. Is there a way to stop the Shadow Catchers once and for all and will Kumiko take the risk?