They must stay hidden --- people are terrified of sea monsters and might try to capture or even kill them. (But think of what fun it would be to surface and scare the wits out of everyone!)
Take a dive into the thrilling depths of Sea Monsters. Get to know all sorts of scary beasts of the past and the present. Travel back in time and into the realm of myth and legend. Voyage deep below the surface of today's oceans and lakes. Sea monsters are waiting to be discovered --- if you dare!