Nencho Balabanov

An oceanic observation station is in desperate trouble after a sudden shark attack wrecked the oxygen supply. The accompanying ship, a coast guard cruiser, and other ships in and around the Bermuda triangle are attacked as well. The US Navy sends a submarine to investigate, but soon they too are under attack.

Geneticist seeks to make a name for herself by saving the planet from disease by using eons-old antibodies, harvested from enlarged six legged creatures. The creatures don't like being big and escape. Send for help.

Two families go on an exciting summer trip from Sofia to the Black Sea coast.