Explore the murky and mysterious ocean depths, the sweeping tides and currents, icy polar waters and warm, bright coral reefs with this fascinating fact file and learn-it-yourself book. 20 amazing projects and experiments investigate the secrets of the sea – make waves in a tank, construct a rock-pool viewer, and build a sea-bird hide. Ideal for home or school use for 8 to 12 year-olds. (Hardcover, 64 Pages)