Time at Her Heels is a science fiction novel written by Dorothy Aldis. The story revolves around a young girl named Anne who discovers a mysterious time machine in her backyard. She soon learns that the machine allows her to travel through time, and she embarks on a series of adventures that take her to different eras and places in history. Along the way, Anne meets a variety of interesting characters, including a pirate, a knight, and a queen. As...