Hello Kitty meets Star Trek under the sea! Dive in for adventure in this exciting picture book, featuring global sensations The Octonauts!Enjoy the original books that inspired the hit animated TV series, broadcast around the world!The Octonauts are a crew of cute animals who love to explore the big blue ocean. From their underwater base, the Octopod, the eight intrepid friends are always ready for fun and excitement!All the shadows in the world have gone missing! The Octonauts ravel to the mysterious Sea of Shade to learn why. Can they convince the great Shade King to return everyone’s shadows?