Louise Fitzhugh

Harriet M. Welsch is a spy. She's staked out a spy route, and she writes down everything about everyone she sees -- including her classmates and her best friends -- in her notebook. Then Harriet loses track of her notebook, and it ends up in the wrong hands. Before Harriet can stop them, her friends have read the always truthful, sometimes awful things she's written about each of them. Will Harriet find a way to put her life and her friendships back...