"The Girl Who Walked On Air" is a children's book by Emma Carroll that tells the story of a young girl named Lottie who dreams of becoming a tightrope walker. Set in a traveling circus, Lottie faces challenges and fears as she strives to prove herself and find her place in the world. Throughout her journey, Lottie learns about courage, friendship, and the importance of believing in oneself. The narrative is filled with vivid imagery and engaging characters, making it an inspiring tale for young readers who enjoy stories of adventure and self-discovery.