"Absolutely charming! This book takes the reader on a magical journey filled with adventure, mystery, and wonder. From the vivid descriptions of the underwater world to the lovable and relatable characters, E. Nesbit's storytelling is simply enchanting. The themes of friendship, bravery, and the power of imagination are beautifully woven throughout the story. A perfect read for anyone who loves a good fantasy tale with a touch of magic."

Book Description:
Are mermaids real? Well of course they are! Just ask the four very English children who, when on vacation by the sea, find out about one being held in a circus and, since 'they die in captivity' decide on a daring midnight rescue. Is she a real mermaid? Well, help read this book and find out. Oh, and they fight sea monsters, engage in underwater battle and lots of other exciting and magical stuff. They are all mostly brave and helpful. If you like magic and water and peril and heroism, and the writing of E. Nesbit, this is the book for you.