Seek and Find the Unicorn of the Sea. Search for a family of six narwhals--known as the unicorns of the sea--as they travel around the world. From a trip to the museum and a day out at the water park, to a tropical beach and icy waters, there's so much to spot and find! 42 pages. 9 3/4 wide x 12 high (24.8 cm wide x 30.5 cm high). Hardcover. Full color throughout. Ages 3 to 9.