Iris, the protagonist whale of rainbow, is no longer alone and even has a sweet white light called a crown. Curmetta, growing, realizes that slowly the seven colored streaks that she has on her back you're enlarging. The colors of her every day they become more flashing until you take the beautiful shades of a rainbow. During a journey mom and daughter Whale lie to swim through an extraordinary place, a coral reef rich in endless variations and shades. And right there, Iride think back to when she was colored, when she was rainbow. The meeting of her with some new friends will bring an unexpected surprise. Reading age: For 5 years.