Book 1: The Mysterious Island
Jo, Dan and Billy were off to fishing with their parents when their boat was knocked off by a storm in the sea. The three siblings got separated from their parents and managed to swim towards an unknown island. As they explore the place, it was just past a rock Jo heard a sound - and it was one she was surprised to recognize.
Will Jo and her brothers find out what's waiting for them in that island? More importantly, will they figure out where they really are?
Join Jo, Dan and Billy on their adventure towards the unknown!