6 Books Found

❧

Based on your description:

"Book about this female student that turns into a mermaid during swimming class."

August 6, 2026

✦

Recognize one of these? Tap This is it! to help confirm the match.

Likely answer

Children's Books About Girls Discovering They Are Mermaids

The book you're looking for is The Tail of Emily Windsnap by Liz Kessler. In this story, Emily has lived her whole life on a boat but is forbidden from entering the water. When she finally takes a swimming class at school and enters the pool, she discovers that her legs turn into a mermaid tail, leading her to uncover secrets about her father and her underwater heritage.

Confirmed match: The tail of Emily Windsnap by Liz Kessler