Guardians. Dragon Catchers

The Guardian travels through the Book World, destroying unregistered portals, while Olya and Zhenya eagerly await the end of the school year and study mysterious finds from ancient books. Everything is going great until one day real dragons appear in the real world! Where did they come from and how to deal with the monsters?
The kids are in for a serious battle with the monsters, and they cannot do without the help of fearless book heroes. Dragon catchers, let's go!
For middle school children.