Revenge of the pums

The distant and mysterious Costa Rica. Here, in the jungle hidden from prying eyes, there is a school in which very unusual teenagers study. It is here that Karag and his classmates are directed here. They have to not only explore unfamiliar lands and discover the amazing nature of Costa Rica, but also get acquainted with other children of the forest. However, Karag does not realize what an unpleasant surprise awaits him in a new place. The sworn enemy of the boy Andrew Milling is not going to leave him alone even in another country. What price will Karaga pay to cope with a hard werewolf this time?
"Book that is impossible to tear up!", Br2
bestseller according to the German magazine Spiegel