In the enchanting children's book "Uni: Lost at Sea" a curious purple sea urchin named Uni gets lost while playing hide-and-seek with his brothers and sisters. Before they even notice he is missing, Uni embarks on an incredible journey through the vast ocean. As he tries to find his way back home, he encounters a variety of fascinating sea creatures, from dazzling starfish and playful dolphins to wise old manatees and shimmering schools of fish. Through this journey, Uni learns about bravery and the incredible diversity of the underwater world.