When Molly opened her eyes, she wasn’t sure where she was at first. Her bedroom had vanished. She was…she was underwater!
Molly stared around. The water was warm and clear, and below her, she could see fronds of seaweed waving gently and brightly coloured shells. A shoal of azure-blue fish darted past her. But where was she? How did she get here? And why did her legs feel so very strange?
She gave them an experimental wiggle and found herself surging forwards through the water. That didn’t usually happen! She glanced over her shoulder, puzzled. And then she realized…

”I’ve got a tail!” she cried out. Her eyes widened in astonishment at the sight of her very own sparkling green-scaled tail flicking behind her. “I’m a mermaid!”