Keepers. Dragon catchers. Roy O.

The keeper travels around the book world, destroying unregistered portals, and Olya and Zhenya are looking forward to the end of the school year and study mysterious finds from old books. And everything goes well until one day in the real world there are real dragons! Where did they come from and how to cope with the monsters? The guys will have a serious fight with monsters, and they cannot do without the help of fearless book heroes. The team of dragon catchers, go ahead!