Gillbert. 1, The little merman

"A message in a bottle? A fiery asteroid from space? A sea of magical mystical mermaids? In the deepest part of the ocean, unexplored by man and too deep for humans to swim, lives a little sea creature named Gillbert. Gillbert the Sea Creature is the son of King Nauticus, king of all the oceans. One day, Gillbert will be king. But in the meantime, his playful curiosity takes him away from the kingdom on a journey of discovery. Gillbert meets an a...