The Invizibles: Invocation - E. S. Carpenter - Bog

Four teenage friends prepare for a leisurely summer vacation when in an instant and with a thud, their plans radically change. Something has crashed in Jaime and Kye's back yard. They solicit the help of their best friends Faith and Ben and quickly decide to protect this new entity. But they're not the only people who've received notification something has arrived, and when strangers suddenly appear, the game of cat and mouse begins!The friends soon learn the strangers are far more resourceful than they ever imagined, but the new entity accidentally shares a gift that could just become the difference-maker. It may also have created the newest super-heroes.Meet ... The Invizibles.