The Law of Gravity Author:Johanna Hurwitz If what goes up must come down, how come Margot's mother hasn't been downstairs for nine years? — Margot is expecting a boring, shut-in summer with her mother while her father is away on a concert tour and her best friends are both out of town. Instead, her new friend Bernie shows her one wonderful face of New York City after another while togeth... more »er they scheme to successfully complete Margot's ambitious summer project--to entice her mother down the stairs and out of the apartment.« less