Secret Under the Sea
Why is his dolphin acting so strangely? Something must be wrong. It is the year 2013, and Robby lives in an underwater research station with his scientist parents. Most of the time he has fun exploring the ocean caves with the dolphin who is his favorite companion.
But something has frightened the dolphin, and Robby sets out to investigate. Then he finds the giant footprints. And he knows that something enormous and unkown is walking here across the bottom of the sea!
Gordon R. Dickson
Gordon Rupert Dickson (1923–2001) was a Canadian science fiction and fantasy author.
Under the Sea
Under the Sea consists of three primary books, and includes one additional book that complement the series but is not considered mandatory reads. The current recommended reading order for the series is provided below.