The Lost Continent (Wings of Fire, Book #11)

The #1 New York Times bestselling series continues with a thrilling revelation -- brand-new tribes of dragons! Blue the SilkWing is content. Life in his Hive is safe; he loves his family; he has enough to eat. And Pantala has been at peace for as long as he can remember -- SilkWings and HiveWings live and work together in harmony, and because they stay vigilant, no one has seen a dangerous LeafWing in years. Now that Blue's sister, Luna, is undergoing her Metamorphosis, Blue knows things are going to change. Luna will have her wings and her silk, be assigned a partner and a work order, and move to another Hive. A few days later, Blue's own wings and silk will come in.