In a magical underwater world, a mermaid learns to overcome shyness and stage fright as she prepares for the Mermaid Ballet. A picture book that dazzles readers with the debut of two irresistible mermaids--Harmony and Echo--from the co-creator of the bestselling Uni the Unicorn! Harmony is chill. She is carefree and fun and loves to stop and smell the sea flowers. Echo is a worrier. She can always find something to fuss about...