Ula, a young humpback whale, is on the threshold of a new adventure. Every winter, Ula and her kin travel from the southern-most part of the planet to the warm waters of Tropica. It has been their way of life for centuries. Every winter brings excitement for new adventures, for in Tropica, Ula befriends dolphins, turtles and rays, who explore the continent with her. Kelp Crest Canyon and Nacre Labyrinth, in particular, are her favorite.
But not all is f