ISBN-13: 9781409525073 / Angielski / Twarda / 2011 / 64 str.
This enclyclopedia introduces young readers to the wonders of the sea. Filled with information on waves, currents, marine life and ocean exploration, this book answers such questions as 'How deep is the ocean?' 'Which fish can blow itself up like a balloon?' and 'How do dolphins use sound to hunt?'