The mermaid from the Green Sea. Mei and the sea monster. Volume 4

How long Meya has been waiting for the return of her parents! They are scientists, and for a long time wandered somewhere in the vastness of the Green Sea. And now, when mom and dad of the mermaid should have already returned from a business trip, instead of them is an old flounder-member. She brings a parcel in which ... a sea horse?! The mermaid is glad to find another friend, but still, what happened to mom and dad? And how is Gryum -Ugum - the legendary naval monster, who is afraid of even the police Shuherkus and the whole team of the rescuer atas to Dydy, is associated with their disappearance?
Hojkin crab! Meya will certainly find out!
For children of primary and secondary school age