Leírás a könyvről
Ever since Gerda is reunited with her missing brother, Lars, they sing an unusual lullaby that their mother taught them when they were little whales. One day, however, the siblings find out that the song has a continuation and, despite their fear of the unknown, decide to find someone who knows what the next stanzas are. Along the way, they will experience unexpected adventures and meet many new inhabitants of the underwater world.
Will they find the missing verses of the mother's lullaby together?